About Us:
Star Athletics New Jersey is a premier all-star cheerleading gym located in Boonton, NJ, part of the Star Athletics Cheer & Tumbling organization. Both locations (ATL + NJ) are owned by Lee Grobstein.
STAR NJ was established in 2001 to provide top-tier cheer and tumbling instruction to the northern NJ area. In 2010, new owner Lee Grobstein was able to grow the location into a competitive powerhouse, training over 300 athletes annually across various skill levels and age groups.
The facility boasts state-of-the-art amenities, including five full-sized spring floors, tumble decks, and a trampoline deck, ensuring athletes have access to the best training equipment available. Star Athletics New Jersey offers a range of programs from introductory fundamentals to elite-level teams, fostering a positive and supportive environment where athletes can thrive and reach their full potential.
We are very active on social media. For a detailed view of what it is like to be a STAR, please follow us on Instagram & Facebook.

Why Star Athletics?
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Elite coaching staff
The gym offers top-tier instruction and mentorship. Coaches are USASF-certified, highly experienced, and focused on developing both skill and character. -
State-of-the-art facility
The gym features five full-size spring floors, tumble decks, and advanced training tools. It’s designed to meet the needs of beginners through elite-level athletes in a safe and effective environment. -
Positive, family-like culture
Star Athletics Atlanta fosters a supportive environment where athletes are encouraged, valued, and motivated. The gym emphasizes teamwork, respect, and growth—on and off the mat. -
Proven competitive success
Athletes at Star Athletics consistently perform at high levels in national competitions, including The Summit and Cheersport. The focus is on smart, progressive training that keeps athletes healthy and performing their best. -
Programs for all ages and levels
The gym offers full-year Elite All Star teams, as well as novice and prep teams. There are also recreational cheer & tumbling classes as well as recreational (Show) teams. -
College and career opportunities
Athletes receive guidance and support if they want to cheer in college. The gym helps build discipline, confidence, and leadership skills that last a lifetime. -
Accessible location and strong community ties
Located in Boonton, NJ, Star Athletics NJ is easy to reach from northern NJ, NY, PA, CT. The gym is community-focused and works to build lasting connections with athletes and families.


Please e-mail us to find out how YOU can be part of #theSTARway!
