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Winter Term 2023 

(January 7, 2023 - March 31, 2023)

Spring Term 2023 

(April 1, 2023 - June 28, 2023)

Summer Term 2023 

(July 3, 2023 - August 31, 2023)

Fall Term 2023 

(September 5, 2023 - December 22, 2023)


Easter Break - April 7-10, 2023

Victoria Day - May 22, 2023

Civic Holiday - August 7, 2023

Labour Day - September 4, 2023

Thanksgiving Day - October 9, 2023


We want all of our students to feel comfortable inside the gym. Although we don't have a strict dress code for our female students, we recommend that they wear a gymnastics leotard with a pair of shorts on top. However, a pair of leggings and a well-fitted t-shirt will do just fine!

We recommend that our male students wear sport shorts and a well-fitted t-shirt.

All students train with socks (non slip work best)

Students are not allowed to wear jewelry during practice. Long hair must be tied back with soft accessories.


  • The programs offered by Riverdale Flip and Tumble run on a quarterly basis (every three (3) months). Payment is required when registering. 
  • Monthly payment plans are available on request.
  • There are NO refunds. Refunds can only be issued as a credit for future classes, camps etc.
  • There are no discounts/make ups for missed days during Summer Camp.
  • An Annual registration fee of $25.00 per student ($35 per family) is required at the start of a session (excluding summer camp)


We do encourage students to make-up the classes they have missed. Please send us an email and we will do our best to find a make up day and time for your child. 

Did you know...?​

Gymnastics is one of the most comprehensive exercise programs available to children, incorporating strength, flexibility, balance, coordination and discipline. 

Gymnastics helps children build a range of motor and coordination skills and a good sense of body awareness.

All classes are taught by Sibylle Mueller-Ritter, 

a professional gymnastics teacher with over 30 years of experience.


Keeping all students safe.

All students are learning.

All students are respected and having fun.

What our customers are saying

I am so happy my daughter has the opportunity to do gymnastics with Sibylle. My daughter has flourished under Sibylle’s direction, both physically in her gymnastics skills, and in her emotional development. My daughter looks forward to her gymnastics sessions, whether it is during the regular weekly classes or during the camps she has attended. Sibylle knows gymnastics, knows how to teach and inspire and knows kids. I am so thankful my daughter found Riverdale Flip and Tumble!

Mary-Ellen Cascone

Thank you so much for this sessions Saturday classes. The kids had so much fun being in a class together. I am amazed by their significant progress!

Last but not least, thank you for your amazing dedication, guidance and encouragement to all your students. They really adore you, and we are so lucky to have you as an inspiring gymnastics coach and mentor.

R. T.

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