Why Smart Kids With ADHD Struggle With Executive Function: Colin Guare on Smart but Scattered

January 8, 2025

Your child is bright.

They understand complicated ideas. They can talk for an hour about something they love. They may be creative, funny, curious, and capable.

Yet they forget to turn in the homework they already completed.

Their backpack is a mess.

They wait until the night before to begin a project.

You remind them to get ready, and twenty minutes later, they still aren’t dressed.

They know what they are supposed to do.

So why can’t they just do it?

For many children and teens with ADHD, the answer has less to do with intelligence and more to do with executive functioning.

On The ADHD Kids Can Thrive Podcast, I spoke with Colin Guare, behavior analyst and co-author of the bestselling Smart but Scattered series, about executive function, ADHD, motivation, technology, and how parents can help children gradually build greater independence.

Colin also brings an important personal perspective. He grew up with ADHD himself.

That gives him a view from both sides: understanding executive function professionally while also remembering what it can feel like to be the child adults are trying to organize, motivate, and help.

Why Can a Smart Child With ADHD Still Be So Disorganized?

Because intelligence and executive functioning are not the same thing.

A child may understand exactly what needs to happen and still have difficulty getting themselves to do it.

Executive function skills help us manage ourselves over time so we can move toward a goal.

They help us:

  • Get started
  • Remember what we need to do
  • Organize materials
  • Estimate time
  • Shift between activities
  • Control impulses
  • Manage frustration
  • Stay focused
  • Make a plan
  • Adjust when something changes
  • Monitor how we are doing

Those skills are doing enormous amounts of work throughout a child’s day.

Think about something that sounds simple:

“Get ready for school.”

The child has to stop what they are doing, remember what comes next, estimate how much time they have, get dressed, find their shoes, remember their backpack, eat breakfast, perhaps take medication, gather whatever they need for school, and get out the door.

A bright child can understand every one of those steps and still struggle to execute them consistently.

That gap is often confusing for parents.

Knowing is not the same as doing.

What Are Executive Function Skills?

The Smart but Scattered approach describes a group of brain-based executive skills that help children and adults manage behavior, emotions, time, attention, and goals.

These include skills such as:

  • Response inhibition
  • Working memory
  • Emotional control
  • Sustained attention
  • Task initiation
  • Planning and prioritizing
  • Organization
  • Time management
  • Goal-directed persistence
  • Flexibility
  • Metacognition

Every person has a different executive function profile.

A child might have excellent sustained attention when interested in something but struggle enormously with task initiation.

Another child may get started easily but struggle to organize the steps of a long-term project.

Another may know exactly what needs to happen but lose control emotionally when something does not go according to plan.

That is why simply saying a child has “executive function problems” doesn’t tell us enough.

The more useful question is:

Which executive function skill is getting in the way in this particular situation?

What Can Executive Function Struggles Look Like at Home?

Executive functioning shows up everywhere.

A child may struggle to:

Begin homework without repeated reminders.

Remember to turn assignments in.

Keep track of school materials.

Estimate how long homework will take.

Move from screens to dinner.

Get out the door on time.

Remember chores.

Clean a room without becoming overwhelmed.

Break a large project into smaller steps.

Prepare for tomorrow.

Recover when plans change.

Stop talking or acting impulsively.

Manage frustration when something feels difficult.

Parents often see the outcome and assume the problem is motivation:

“You just don’t care.”

“If this mattered to you, you’d remember.”

“I know you can do this.”

The frustrating part is that the child often can do it sometimes.

But executive function performance can vary depending on interest, stress, fatigue, environment, time of day, complexity, and available support.

That inconsistency can make executive function struggles particularly difficult for adults to understand.

Why Can My Child Focus for Hours on a Video Game but Not Ten Minutes on Homework?

This is one of the questions parents ask most often about ADHD.

If a child can focus intensely on something they enjoy, it is easy to assume they should be able to use that same focus anywhere else.

But context heavily affects executive functioning.

An activity that is interesting, stimulating, immediately rewarding, novel, competitive, or social may require very different effort than an activity that is repetitive, delayed in its reward, difficult, or boring.

Homework often asks a child to do something with very little immediate reward:

Stop something more enjoyable.

Remember what needs to be done.

Find the materials.

Begin.

Stay focused.

Tolerate frustration.

Complete the assignment.

Remember to submit it.

That is an executive function marathon.

The goal is not to excuse avoidance.

It is to understand why one activity may be much harder to initiate and sustain than another.

How Much Should Parents Help a Child With Executive Function?

This is where parenting becomes tricky.

When your child cannot manage something independently, you naturally step in.

You remind.

You organize.

You pack.

You email the teacher.

You check the portal.

You find the missing worksheet.

You create the schedule.

Sometimes that support is exactly what a child needs.

The challenge is determining:

How much help is enough to support success without taking over the entire job?

Children develop executive function through practice.

If adults always perform the executive function for the child, the child may have fewer opportunities to develop it themselves.

But if we remove all support before the child has the skills to manage independently, repeated failure can follow.

The goal is scaffolding.

Provide enough support for the child to succeed, then gradually reduce it as the skill strengthens.

What Does Executive Function Scaffolding Look Like?

Imagine your child consistently forgets what they need for school.

Doing everything for them might look like:

You pack their backpack every night.

Providing no support might look like:

“You are old enough. Figure it out.”

Scaffolding might look like:

Create a short backpack checklist together.

At first, walk through it with your child.

Then point to the checklist instead of verbally reminding them of every item.

Later, ask:

“Did you check your list?”

Eventually, your child manages the process on their own.

The support changes as the skill grows.

You might use the same approach with:

Homework.

Morning routines.

Laundry.

Sports equipment.

Long-term projects.

Bedtime.

Medication routines.

Preparing for school.

The goal is not permanent dependence on a checklist.

The checklist is an external support while the child’s internal executive function develops.

Why Do Repeated Reminders Often Stop Working?

Parents remind because reminders sometimes work.

But over time, a pattern can develop.

The parent becomes the external executive function system.

The child begins relying on the parent to initiate the task.

The parent says:

“Do your homework.”

“Don’t forget your backpack.”

“Brush your teeth.”

“Put your shoes on.”

“Did you turn that assignment in?”

“Did you email your teacher?”

Eventually, both people become frustrated.

The parent feels ignored.

The child feels nagged.

The challenge is to gradually move the responsibility outside of the parent-child interaction.

Instead of becoming the reminder, create a system.

An alarm.

A checklist.

A calendar.

A visual schedule.

A designated place for school materials.

A weekly planning routine.

A phone reminder.

The system becomes the cue.

That can help protect the relationship while also moving the child toward greater independence.

What Role Does Motivation Play in Executive Function?

Motivation matters.

But telling a child to “try harder” does not automatically create motivation.

In our conversation, Colin and I discussed motivational interviewing, an approach that is much more collaborative than trying to persuade someone to do what we believe they should do.

Parents are naturally solution-oriented.

We see the problem.

We see the answer.

We want to tell our child what needs to happen.

But as kids move toward adolescence and young adulthood, constantly telling them what they should do can create resistance.

Sometimes a more useful approach is to ask questions that help the child think.

Instead of:

“You need to start using a planner.”

You might ask:

“What part of keeping track of assignments is hardest right now?”

Instead of:

“You have to stop procrastinating.”

Try:

“What usually happens between knowing you have the assignment and actually getting started?”

Instead of immediately giving the answer, help the child examine the problem.

This lets them help create the solution.

Why Is It Important for Kids With ADHD to Have a Voice in the Plan?

Because eventually the parent will not be there.

That is the long game of parenting.

We want our children to be able to understand themselves well enough to say:

This is where I get stuck.

This is what helps me.

I need to write this down.

I need more time.

I need a quieter place.

I need to break this into smaller pieces.

I need to start earlier.

I need help.

That kind of self-awareness is part of executive functioning too.

A plan created for the child may work temporarily.

A child who gradually learns to participate in building their own systems is developing something more valuable:

agency.

What Is Metacognition and Why Does It Matter for ADHD?

Metacognition is essentially thinking about your own thinking.

It allows a person to step back and notice:

What worked?

What didn’t?

Where did I get stuck?

How long did this actually take?

What should I do differently next time?

That is a sophisticated executive function skill.

Parents can help develop it by replacing some corrections with reflection.

After a difficult morning, rather than immediately explaining everything the child did wrong, you might later ask:

“What part of this morning went well?”

“Where did we start running behind?”

“What would make tomorrow easier?”

After a school project:

“What worked about how you did this one?”

“Was there anything you wish you had started earlier?”

This is how children begin developing an internal understanding of their own patterns.

What About Technology and Executive Function?

Technology can help executive functioning.

It can also make executive functioning harder.

That is part of what makes this conversation complicated.

A phone can provide:

Alarms.

Calendars.

Reminders.

Timers.

Assignment systems.

Navigation.

Notes.

Communication.

Those tools can be extremely helpful for someone with executive function challenges.

At the same time, technology also provides nearly unlimited distraction, stimulation, social interaction, gaming, video, and notifications.

For a child who already has difficulty inhibiting impulses, shifting attention, managing time, or stopping a preferred activity, that can create another layer of challenge.

Rather than framing technology as simply good or bad, parents can ask:

How is this particular technology affecting my child’s functioning?

Is it helping them become more independent?

Is it replacing a skill they need to develop?

Is it distracting them from responsibilities?

Is it making transitions harder?

Does it support organization?

Does it make time disappear?

The goal is thoughtful use.

Why Does the School Environment Matter for Executive Function?

School places enormous demands on executive functioning.

Students are expected to:

Move between classes.

Keep track of assignments.

Manage multiple teachers.

Bring the correct materials.

Remember deadlines.

Estimate time.

Begin independent work.

Plan projects.

Shift between subjects.

Control impulses.

Manage emotions.

Advocate for help.

Turn work in.

For a child whose executive skills develop more slowly, school may expose those weaknesses quickly.

The child may understand the academic material while struggling to manage everything around it.

That distinction matters.

Sometimes the problem is not:

“My child doesn’t understand science.”

It is:

“My child understands science but cannot manage the six executive function steps required to complete and submit the science project.”

Those are two very different problems requiring different kinds of support.

What Changed for Kids After COVID?

Colin and I also discussed the pandemic’s impact on children’s development and school readiness.

Children lost opportunities to practice routines, independence, transitions, social problem-solving, and the everyday executive-function demands that come from moving through school and community life.

Technology also became more deeply embedded into learning and everyday life.

For some children, particularly those already vulnerable to executive function challenges, returning to traditional expectations did not necessarily mean the skills returned immediately.

This is another reason it can be helpful for parents and educators to ask:

What skill does this child still need to practice?

Rather than assuming:

They should know how to do this by now.

How Do Executive Function Needs Change as Kids Grow?

Executive function does not stop mattering when a child finishes elementary school.

The demands actually become greater.

A middle school student needs more organization.

A high school student needs more independent planning.

A college student needs to structure enormous amounts of unstructured time.

A young adult needs to manage work, appointments, finances, transportation, communication, meals, sleep, relationships, and responsibilities without a parent standing beside them.

That is why the goal cannot simply be:

Get the homework done tonight.

We also want to ask:

What is my child learning from how we handle homework tonight that might help them manage their own life later?

Sometimes helping is absolutely necessary.

But as children mature, part of our job is gradually shifting responsibility.

A Parent Coach’s Perspective: Don’t Confuse Capability With Consistency

One of the hardest things about parenting a child with ADHD is seeing what they are capable of.

You have seen them organize something beautifully.

You have seen them focus.

You have seen them remember.

You have seen them work incredibly hard.

Then suddenly they cannot seem to do something you know they have done before.

That can make parents think:

I know you can do this. Why aren’t you doing it?

I encourage parents to add another question:

Under what conditions can my child do this successfully?

Maybe they can organize when someone helps them begin.

Maybe they can write when they first talk through their ideas.

Maybe they can complete homework when the amount is visible and finite.

Maybe they can leave on time when everything is prepared the night before.

Maybe they can remember when the information is externalized instead of held in working memory.

That does not mean lowering every expectation.

It means understanding what currently makes success possible and then gradually helping the child carry more of that responsibility themselves.

That is very different from rescuing.

And it is very different from simply telling a child to try harder.

The Goal Is Independence, Not Perfect Organization

Our children do not need to become perfectly organized versions of us.

They need to learn how they function.

What systems work for them?

Where are their executive function strengths?

Where do they need support?

What kind of environment helps them do their best work?

When do they need to ask for help?

What responsibilities can they manage independently now?

What is the next responsibility they are ready to take on?

Independence develops gradually.

It is built from hundreds of small experiences of doing something, getting stuck, trying again, learning what works, and taking on more responsibility.

Parents can support that process without carrying the entire load forever.

Celebrate the Small Wins

One of Colin’s messages in our conversation is worth remembering:

Development is constantly changing.

Your child is changing.

You are changing.

The challenges you are dealing with today will not necessarily be the challenges you are dealing with five years from now.

That is why small wins matter.

Your child remembered their backpack three mornings this week.

They started homework without being asked once.

They emailed the teacher themselves.

They noticed they were getting overwhelmed and asked for a break.

They used the calendar.

They recovered from forgetting something without falling apart.

They solved a problem you normally would have solved for them.

Those moments are executive function development in real life.

Notice them.

Listen to Colin Guare on The ADHD Kids Can Thrive Podcast

In this episode of The ADHD Kids Can Thrive Podcast, I talk with Colin Guare about growing up with ADHD, executive functioning, motivation, behavior change, technology, school readiness, and how parents can help children become increasingly capable and independent.

We also discuss the Smart but Scattered approach and motivational interviewing as a way to move away from constantly telling children what to do and toward helping them become active participants in solving their own problems.

Listen to The ADHD Kids Can Thrive Podcast wherever you listen to podcasts.

Colin is a co-author of Smart but Scattered, Second Edition, Smart but Scattered Teens, and Smart but Scattered and Stalled, which extend the executive skills approach from childhood through adolescence and young adulthood.

If executive function struggles around homework, organization, routines, time management, motivation, or independence are creating recurring conflict in your family, ADHD parent coaching can help you identify where your child is getting stuck and determine what level of support can help them move forward.

Learn more at ADHDKidsCanThrive.com.

Frequently Asked Questions About ADHD and Executive Function

What is executive functioning in ADHD?

Executive functions are brain-based skills that help people manage attention, behavior, emotions, time, information, and goals. They include working memory, task initiation, organization, planning, emotional control, time management, flexibility, impulse control, and self-monitoring.

Why is my ADHD child smart but disorganized?

Intelligence and executive functioning are different abilities. A child may fully understand academic material while struggling to organize materials, begin tasks, estimate time, remember assignments, plan steps, or follow through. This gap can make bright children appear inconsistent or unmotivated when executive function skills may be contributing.

Why does my child know what to do but not do it?

Knowing what to do does not automatically provide the executive skills needed to initiate and complete it. A child may understand the expectation but struggle with task initiation, working memory, planning, time awareness, emotional regulation, or shifting attention.

How can parents help build executive function skills?

Parents can identify the specific skill causing difficulty, provide external supports such as checklists, calendars, visual routines, timers, and structured planning, and then gradually reduce support as the child becomes more capable. The goal is scaffolding, not permanently doing the task for the child.

Do reminders help children with ADHD?

Reminders can help, but constant verbal prompting may lead children to depend on the parent as their external executive function system. When possible, parents can move reminders into external systems such as alarms, checklists, calendars, visual schedules, and routines.

Does executive function improve with age?

Executive function skills continue developing through childhood, adolescence, and into adulthood. Children with ADHD may need more explicit practice, environmental support, and scaffolding as demands increase. The goal is to gradually increase independence as skills develop.

How can I help my ADHD teen become more independent?

Start by identifying which responsibilities your teen can currently manage and where they still need support. Include them in problem-solving, use external systems rather than repeated reminders, allow appropriate opportunities to practice, and gradually step back as they demonstrate greater ability.

Can ADHD parent coaching help with executive function?

Yes. ADHD parent coaching can help parents understand which executive function skills may be contributing to homework, organization, routines, transitions, time management, motivation, or follow-through challenges. Coaching can also help parents determine how much support to provide and when to gradually step back as a child develops greater independence.

About Colin Guare

Colin Guare, MS, BCBA, is a behavior analyst and writer who has worked across education and behavioral intervention for nearly two decades.

He is a co-author with Peg Dawson, EdD, and Richard Guare, PhD, of books in the bestselling Smart but Scattered series, which helps parents, educators, and professionals understand and support executive skills from childhood through adolescence and young adulthood.

Colin also brings his personal experience growing up with ADHD to his work, offering families insight into executive function from both a professional and lived perspective.

About Kate Brownfield, ACC

Kate Brownfield, ACC, is an ICF Associate Certified Coach, Certified ADHD and Executive Function Parent Coach, author, podcast host, and founder of ADHD Kids Can Thrive.

She provides ADHD parent coaching and education for parents raising children and teens with ADHD and related executive function, emotional regulation, school, and family challenges.

Through private coaching, group support, teaching, writing, and The ADHD Kids Can Thrive Podcast, Kate helps parents understand what may be underneath their child’s struggles, identify patterns keeping the family stuck, and find practical ways to respond to everyday ADHD challenges.

Her work supports families navigating homework struggles, screen-time conflict, routines and transitions, executive functioning, emotional regulation, motivation, boundaries, school challenges, and recurring parent-child conflict.

Learn more about private ADHD parent coaching and other support at ADHDKidsCanThrive.com.

This article and podcast are for educational purposes and are not a substitute for individualized medical, psychological, educational, or mental health advice.

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