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Join the Band!
Become a Sponsor Today

Sponsor Commitment Form

Contact us at info@misbb.org with any questions

Participation Category
Business Sponsor
Individual / Family
Payment Preference
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The Mercer Island Schools Band Boosters (MISBB) is a non-profit 501(c)(3) organization. Founded in 2011, MISBB actively supports, promotes, and encourages the 5th through 12th grade band programs of the Mercer Island School District.
All sponsorships and donations are tax-deductible to the extent allowed by law.

Tax ID: 27-4163270 | Mailing Address: P.O. Box 1471, Mercer Island, WA 98040

© 2026 Mercer Island Bands

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