Foss Swim School is a national swim-lesson franchise (36 schools) whose Ballwin location teaches year-round kids' swim lessons using its Swim Path curriculum in purpose-built learning pools. It is a swim-lesson school rather than a summer camp.
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 Foss Swim School - Ballwin directly before you register or pay. Last checked August 2026.
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★★★★★Gia DThey have been amazing! The staff are very nice and helpful! My son went from being scared to be in the water to doing laps! I also love the fact that they have makeup classes now in case you missed a class. Highly recommend them!
★★★★★Mary ChenWe’ve had such a wonderful experience at FOSS Swim School! The instructors are patient, encouraging, and truly know how to help kids feel confident in the water. The classes are well-organized, fun, and focused on real skill-building. My child has made amazing progress and always looks forward to coming to swim lessons. The staff is friendly, the facility is clean, and the overall environment is so welcoming. Highly recommend FOSS to any family looking for a great swim program!
★★★★★Annie AllenWe have loved our experience at Foss - Ballwin so far. We have been swimming year round with my now 2 and 4 year old for a little over a year. They have made amazing progress and all the teachers have been fantastic. We love Coach Dina, Coach Kylie, Coach Kar, Coach Hailey and Coach Finn. We will continue swimming year round because my kids have become such confident swimmers and know how to be safe in the pool!
★★★★★Kelly HodgeWe have had an amazing experience at Foss! Eric, Kristen, and Kristian are our favs. Our son went from sinking in the water to swimming in 11’ of water (see pic) and doing front and back flips in less than a year and a half. He was swimming sooner than that but we kept going because of how awesome the staff was and the potential they saw in our son. If you are thinking of taking your kid to swim lessons, Foss is the place to go.
★★★★★John MeyerFoss has been the best for our family! The registration process was easy & the payment plan option is appreciated! We have done 1 quarter of the first baby class and plan to continue year round and move up the swim path! The instructor is so fantastic with the kids and the parents; the flow of the class keeps the kids engaged and the skills they learn are important, but fun! It is much much more than singing songs and splashing. Our 18 month old has learned how to close their mouth under water, be submerged and moving for at least 3 seconds, and climb out of the pool safely! And while enjoying it all! Thank you Foss!!