Junior Gym is a respected non-competitive gymnastics, tumbling and fitness facility that has been serving the San Mateo area since 1995. We offer a wide variety of classes and programs intended to promote physical activity and self confidence in children ages 6 months to 7 years. We are proud to be a family operated small business – we are not a chain! Our friendly staff has created a great reputation for being patient, caring and creating an exciting and safe class environment. Ask around. We know you will hear great things about Junior Gym!