Fiscal year ending 2025. Filed on December 4, 2025.
PO Box 3149
Mhs Boosters
Mammoth Lakes, California 93546
Mammoth High School Booster Club (EIN: 77-0529260) has filed an IRS Form 990 since at least fiscal year 2016. In its fiscal year 2025 IRS Form 990 filing, Mammoth High School Booster Club, a 501(c)(3) charitable organization, reported compensation for 9 employees. Among the employees shown here, the average compensation is $0.
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Employee compensation
MHS Boosters is a non-profit, all volunteer, parent-teacher-community organization. Our mission is to: Assist Mammoth High School by fostering cooperation and communication between parents, staff, students and the public, and to promote success in academics, athletics, and the arts.
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