MASTERY CHARTER SCHOOL JOHN WISTER

PHILADELPHIA, PA, 19144 (215) 866-9000 Est. 2016 EIN 81-2713543

990 - Public charity return 501(c)(3)

Mission

ALL STUDENTS LEARN THE ACADEMIC AND PERSONAL SKILLS THEY NEED TO BE TRULY PREPARED FOR POST-SECONDARY SUCCESS AND ABLE TO PURSUE THEIR DREAMS.

Total Revenue

$11,141,098

Total Expenses

$10,983,918

Net Assets

$5,592,566

72 employees 7 volunteers

From latest filing (tax period ending 2025-06-30)

Operating Reserve

6.1 months Healthy

Net assets / monthly expenses

Year-over-Year Change

Revenue ↓ 4.7%

Expenses ↑ 20.8%

Revenue Sources

Contributions 8.2% Earned revenue 89.8% Investment 2.0%

Expense Breakdown

Program 84.4% Management 15.6%

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Year	Revenue	Expenses	Net Assets
2024 990 - Public charity return Jul 1, 2024 to Jun 30, 2025	$11,141,098 ↓	$10,983,918	$5,592,566
2023 990 - Public charity return Jul 1, 2023 to Jun 30, 2024	$11,694,103 ↑	$9,092,044	$5,534,428
2022 990 - Public charity return Jul 1, 2022 to Jun 30, 2023	$10,169,297 ↓	$8,439,473	$2,941,619
2021 990 - Public charity return Jul 1, 2021 to Jun 30, 2022	$10,638,621 ↑	$10,733,815	$1,211,795
2020 990 - Public charity return Jul 1, 2020 to Jun 30, 2021	$9,165,577 ↑	$7,991,395	$1,306,989
2019 990 - Public charity return Jul 1, 2019 to Jun 30, 2020	$8,430,260 ↑	$8,542,520	$132,807
2017 990 - Public charity return Jul 1, 2017 to Jun 30, 2018	$7,375,954	$6,615,472	$1,304,554