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Sharon Duke Estroff M.A.T. is CEO and Founder of Challenge Island, the World’s #1 STEAM Education Program. Sharon started Challenge Island in her 2nd grade classroom in Atlanta, GA 2002 and has grown it to over 160 franchises in 36 states and 4 countries. A veteran educator in Atlanta public and private schools, Sharon was Voted Best Teacher in Atlanta by a Major Atlanta newspaper. In addition to being the award-winning author of the bestselling Challenge Island book series and Random House parenting books, she is a regular education contributor to numerous national publications including Scholastic Parent and Child, Woman’s Day, Good Housekeeping and Parents Magazines. 

Challenge Island was born in Sharon Duke Estroff’s 2nd grade classroom in 2002. At the time, Sharon was becoming increasingly concerned about the overall direction of education (which had seemed to have spiraled into a standardized testing-palooza that was intent on fitting every child into the same rigid box (or should we say multiple choice bubble?)). That, compounded by an ever presence of screens in her students’ lives and intense societal pressure for them to perform both academically and extracurricularly, left her worried about their present and future wellbeing. Sharon came up with the idea of Challenge Island as a means of counteracting these potentially damaging forces while making school enjoyable again (for both her students and herself!). 

During Challenge Island time, Sharon’s second graders were transported to a parallel universe where learning felt like a party, kids ran the show, and failure was considered a fun opportunity to try something new. Wrapped in whimsical trimmings( colorful headbands, floral leis, treasure chests and the island drum) Sharon’s classroom buzzed with a kind of excitement and enthusiasm that was rarely present in the modern school setting. Her students bubbled over with creativity and innovation as they collaborated with their STEAM Teams to fearlessly tackle challenges using only a few low-tech supplies and their boundless imaginations.

Every morning, Sharon’s students begged her to let them do Challenge Island that day – and the more Challenge Island her students did, the more the magic swirled around them. Suddenly, the children in her class felt more empowered, creative, and collaborative; they were stronger problem solvers, more flexible thinkers, less anxious and more resilient. Sharon became convinced that the Challenge Island experience was absolutely essential to the social-emotional and academic wellbeing of not only her 2nd graders but of every other stressed-out, over-tested, overscheduled, screen-saturated millennial child.

At the end of that school year, Sharon decided to devote her full-time career to bringing Challenge Island to as many children as possible. In 2013, she embraced the franchising model to help her get there. Today, thanks to over 100 fabulous franchisees who share her Challenge Island vision, 5 million children in 15,000 schools and organizations have now been touched by the Challenge Island magic and that number continues to grow every day.

Did you know?

The very first island, Sharon Duke Estroff created for Challenge Island was Sharktooth Island – and the first book in the Challenge Island book series is the Bridge to Sharktooth Island where the characters take on some of one of Sharktooth Island’s most popular challenges: Great White Bridges.

Company Timeline

2000

Sharon Duke Estroff Creates Challenge Island for Her Second Grade Students at the Epstein School of Atlanta

A year before STEM was officially rolled out as an acronym by the National Science Foundation, Mrs. Estroff’s second grade had “arrived” on Challenge Island where the students divided into teams and tackled challenges using only the materials in their treasure chests and their endless imaginations. Mrs. Estroff’s class begged to do Challenge Island every day at school.

2002

Estroff Launches the First Challenge Island Business in Marietta, GA

Based on her students’ avid enthusiasm about Challenge Island, Estroff begins running the program as an afterschool class in multiple schools in Marietta, GA. Challenge Island is a hometown hit and before long Estroff has turned her second graders’ favorite activity into a fulltime business.

2013

Challenge Island Begins Franchising So More Children Can Experience the Magic of the Program

Determined to bring the magic of Challenge Island to as many children as possible, Sharon begins franchising. Kids can now experience Challenge Island in Houma Louisiana, Reno, Nevada, Greenville, South Carolina, and other locations across the USA. In 2018, Challenge Island receives its first Franchise 500 Ranking.

2021

The Bridge to Sharktooth Island, Book 1 in the Challenge Island STEAM Book Series, Launches with Rave Critical Reviews as a #1 New Release on Amazon

At the urging of her literary agents at Liza Dawson Associates, Sharon joins forces with co-author Joel Ross and illustrator Monica De Rivas to create the Challenge Island STEAM book series. Book 1, The Bridge to Sharktooth Island, is praised as “a great STEAM-infused addition to every elementary and middle school library” by the School Library Journal. The books fly off the shelves and enter a second printing at record speed as kids eagerly await the release of Books 2 and 3.

2022

Challenge Island is Ranked on Entrepreneur’s Franchise 500 for the FIFTH YEAR IN A ROW While Also Boasting Dozens of Other Industry Rankings and Awards

Challenge Island’s astronomical growth continues to defy all odds as The Little Program That Could STEAMs forward as an international sensation. In 2022 Challenge Island is ranked on the Franchise 500 for the fifth year running, having also ranked consistently on numerous other lists (including Top Global Franchises, Fastest Growing Franchises, Top Low Cost Franchises, and Top Mobile Franchises) as well as receiving multiple Parents Picks Awards and other industry recognitions. While the road to success has been rife with stumbles, bumps, and bruises, Challenge Island takes on every new challenge with the grace, gusto and unwavering determination of a Challenge Island kid. And so we proceed, full STEAM ahead into the future!

2024

Astronomical Growth with 5 Million Children - 15,000 Schools - 160 Locations

Challenge Island has become a household name synonymous with outstanding STEAM education among parents, educators and kids across the USA!

Our Founder

Sharon Estroff

Our Challenge Island founder and CEO is an award-winning educator, critically-acclaimed author and mom of four former Challenge Island kids.

Our STEAM Team Makes It Happen

Challenge Island is all about STEAMwork! Meet the People Behind the Magic!

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