Miss Kelly's Gym is a children's gymnastics gym with a Cottleville/St. Peters location offering themed summer camps for potty-trained kids ages 3 to 10. Camps mix gymnastics, games and crafts in a non-competitive setting, with a new theme each week. Sessions run Tuesdays and Thursdays with morning (9am–12pm), afternoon (1pm–4pm) or full-day (9am–4pm) options.
The practical details
We list only what the camp itself publishes, and programs change — dates, prices, ages and availability can all move after we check. Confirm the details on the camp’s own website and contact Miss Kelly's Gym directly before you register or pay. Last checked August 2026.
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★★★★★Ashley AkhtarWe participated in Winter Break Camp. It was fabulous! We discovered Miss Kelly’s Gym when we attended a birthday party there. It was the best kids birthday party we have experienced so far. They did a fantastic job.
★★★★★Mobile Michelle Vanlife VaccaroLove Miss Kelly's gym for my 5 y.o. grandson. Tommy is so happy to go into class. The instructors are all practicing safety and are able to let the kids be kids as well. Great place, great instructors. Great time!
★★★★★Jessica SilvaI have been bringing my two daughters to Miss Kelly’s for years! It is their favorite activity and they love to come to the open gyms when we can, in addition to their scheduled classes. The staff is super friendly and always welcoming to my children. The classes are very organized and the girls love the weekly themes! The facility is clean and has extra room for siblings to play or study during class time. The best part is that they are very flexible and work easily with our schedule for makeup classes. Highly recommend!
★★★★★Danielle NalleyWe love the new Miss Kelly’s Gym location! It’s so nice and spacious. I love the lobby with all the windows to easily see your child in class. Very convenient in a shopping strip with so many other businesses. The staff has been incredibly friendly and easy to work with. We’ve had a birthday party at the Creve Coeur location a few years ago and would totally have one at this new location as well. It was so easy as a parent because the staff helped run the party and the kids had a blast. We’ve been customers of Miss Kelly’s Gym for over 10 years now and wouldn’t take our kids to any other gym.
★★★★★Danielle Hubert OhlmsI’ve been taking my 2.5 year old for the last month and she loves it! Miss Kelly is fantastic with the kids! They do so many little activities plus play and learn on the equipment too. It’s a great way to keep them moving and learning different muscles to use - plus gives me new ideas on things to do at home. Highly recommend!