Fiscal year ending 2025. Filed on November 5, 2025.
17000 S 80th Avenue
Tinley Park, Illinois 60477
Grissom Middle School Parent Teacher Organization (EIN: 36-3777414) has filed an IRS Form 990 since fiscal year 2020. In its fiscal year 2025 IRS Form 990 filing, Grissom Middle School Parent Teacher Organization, a 501(c)(3) charitable organization, reported compensation for 5 employees. Among the employees shown here, the average compensation is $0. Grissom Middle School Parent Teacher Organization changed its name from Grissom Middle School PTO in 2024.
Revenue
Expenses
Employee compensation
ASSIST EDUCATIONAL PROCESS
Be the first to know when new IRS Form 990 data is published for this organization.