Check out the videos below for a very energetic young woman who talks in an engaging manner regarding many aspects of ADHD:
How to explain ADHD
ADHD YouTube channel

The video below is more appropriate for an adult with ADHD, but many elements would be helpful for teens/tweens.
ADHD superpowers

Podcasts from ADHD Experts by ADDitude Magazine cover a wide variety of topics.

Insight Timer is a great meditation app, it has lots of guided meditations specifically for children/teens and helpful to those with ADHD.

Eugene Psychological Assessments in Oregon has compiled a great list of resources for families with ADHD. See either their link, or some of the links below it for more information.

 https://www.eugenepsychassessments.com/adhd-parents

What’s it like to have ADHD? [Video, 2:14]
10 ADHD Myths that Just Won’t Die! [Video, 7:17]
How to (Explain) ADHD [Video, 7:38]
Failing at Normal: An ADHD Success Story — Jessica McCabe, TEDx — [Video, 17:12]
ADHD Explained[Video, 28:14]
What is ADHD?

Deeper dives
ADHD brains — Behind the Behavior [article]
ADDitude [Online magazine]
ADHD Resource Center [website] —AACAP
CHADD [Website] Children and Adults with ADHD
ADHD: What Every Parent Needs to Know [Book]

ADHD & Female-identified people

• ADHD in Girls: Why It’s Ignored, Why That’s Dangerous [Article]
• Understanding Girls with ADHD, 2nd Ed

Books for Kids/Tweens
“Percy and the Lightning Thief” and others in the series
By: Rick Riordan, book with main character who has ADHD

“Clementine”
By: Sara Pennypacker Illustrated by: Marla Frazee
Age Level: 6–9 Reading Level: Independent Reader
Clementine, a high-energy third grader, finds it hard to concentrate. This often gets her into trouble at school. Clementine narrates in a way that shows off her originality and spirit. And the book’s lively black-and-white line drawings echo her personality.

“Mrs. Gorski, I Think I Have the Wiggle Fidgets”
By: Barbara Esham Illustrated by: Mike and Carl Gordon
Age Level: 6–9 Reading Level: Independent Reader
David’s teacher asks for a parent conference when David’s behavior distracts the rest of the class. David, however, comes up with a “cure” for his “wiggle fidgets.” At the meeting, he shares the cure—a creative and practical solution that just may help others with their wiggle fidgets. This book is also part of The Adventures of Everyday Geniuses series.

“Trout and Me”
Trout and Me, by Susan Shreve, is a fictional story about 11-year-old Ben, who gets into trouble because he has ADHD. But Ben—who also has dyslexia—is not a bad kid. Then a new boy named Trout shows up in class. Trout also has ADHD. But Trout is a much bigger troublemaker than Ben. Can Ben convince the adults that it’s the ADHD, not Trout, creating problems? This story for kids 9–12 takes a frank look at ADHD and give kids a lot to ponder.

For young kids [4 – 8]
Baxter Turns Down His Buzz — J. Foley
A Dragon With ADHD — S. Herman
Ellie, the ADHD Supergirl — Y. Manor
Free Association, Where My Mind Goes During Science Class [ages 6-8] — B. Esham
Focused Ninja: Increase Focus & Attention — M. Nihn
Learning to Slow Down and Pay Attention, 3rd Ed. — Drs. Nadeau & Dixon, PhDs
Mrs. Gorski, I Think I Have the Wiggle Fidgets [ages 6-8] — B. Esham
My Brain Needs Glasses — A. Vincent, PhD
My Wandering Dreaming Mind — M. Saunders, LMFT
This Morning Sam Went to Mars — N. Carlson
What Should Danny Do? —A Levy

Older kids [8 – 12]
All Dogs Have ADHD — K. Hoopman
A Smart Girl’s Guide: Getting It Together — E. Falligant
Attention Girls!: A Guide to Learn All About Your ADHD — Dr. Quinn
Cory Stories: A Kid’s Book about Living with ADHD — J. Kraus
Get Organized Without Losing It — J. Fox
Hank Zipzer (Series) — H. Winkler
Joey Pigza (Series) [ages 10 – 12] — J. Gantos
Putting on the Brakes: Understanding and Taking Control of Your ADHD — Dr. Quinn
See You Later, Procrastinator! — P. Espeland
Survival Guide for Kids with ADHD — Dr. J. Taylor
Thriving with ADHD Workbook for Kids: 60 Fun Activities — K. Miller, LCSW
What Should Danny Do? —A. Levy

Adolescents [12 – 18]
VIDEOS
“ADHD Dude” Channel
ADHD Dude” Channel

Get Organized Without Losing It — S. Fox
Putting on the Brakes: Understanding and Taking Control of Your ADHD, 3rd Ed. — P. Quinn, MD
Smart but Scattered Teens — R. Guare, PhD
Take Control of ADHD: The Ultimate Guide for Teens — R. Spodak, PhD
Thriving with ADHD Workbook for Teens — A. Tyler, LCSW

ADHD Coach: https://www.triplecadhd.com/