Mountainside Mountain Lions

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Connected to Mountainside?

If you're a principal, advisor, coach, PTO/PTA member, booster, or another representative or leader within Mountainside, we'd love to work with you. Through our Store Partnership Program, you can help guide updates to your organization's store — including colors, logos, collections, and products — to better reflect your community.

Store Partners also earn back a portion of every sale made through their store, turning spirit wear into a simple, ongoing source of support for your organization.

Learn more about becoming a Store Partner →

Mountainside Mountain Lions Apparel & Spirit Wear

Show your Mountain Lions pride and support the Red and White with custom Mountainside Middle School apparel designed for everyday wear and all events. Whether you're cheering on teams like football, basketball, soccer, and cross country, or supporting clubs and programs such as drama, debate, and band, we have you covered with spirit wear that is high-quality and comfortable.