How many employees work at Mastery Charter Schools?
Mastery Charter Schools has 1,175 employees, according to Revelio Labs workforce intelligence data. The YoY growth rate is 0.2%.
Data source: Revelio Labs Coverage: Global workforce Latest update: December 2025
About Mastery Charter Schools
Mastery Charter Schools and Mastery Schools of Camden form a non-profit school network of charter, turnaround and renaissance schools in Philadelphia, PA and Camden, NJ, serving over 14,000 students in grades K-12. Our mission is to ensure all students learn the academic and personal skills they need to be truly prepared for postsecondary success and able to pursue their dreams. Mastery is nationally recognized for its ability to turn around failing neighborhood schools and to drive dramatic student achievement gains. In our turnaround schools, test scores have increased, on average, more than 40 percentage points per grade and subject after three years, violence decreased by 80% and student turnover dropped by one-third. Mastery schools are joyful, authentic communities where students learn how to think critically and act independently so they are truly prepared for post-secondary success. Learn about opportunities to join our team at https://www.masterycharter.org/careers/
As of December 2025
Mastery Charter Schools
workforce metrics
Headcount
1.2k
Avg. Salary
$79.1k
Tenure
4.9yr
Growth Rate
0.2%
Hiring Rate
Attrition Rate
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Employee Headcount
Interactive chart of Mastery Charter Schools annual worldwide employee count from 2023 to 2025.
- Mastery Charter Schools total number of employees in 2025 was 1,175, a 0.2% increase from 2024.
- Mastery Charter Schools total number of employees in 2024 was 1,172, a 0% no change from 2023.
- Mastery Charter Schools total number of employees in 2023 was 1,172, a 4.6% decline from 2022.
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Employee Geographic Breakdown
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Active Job Postings
Interactive chart of Mastery Charter Schools annual active job postings from 2023 to 2025.
- Mastery Charter Schools active job postings in 2025 was 91, a 12.4% decline from 2024.
- Mastery Charter Schools active job postings in 2024 was 103, a 25.1% increase from 2023.
- Mastery Charter Schools active job postings in 2023 was 80, a 42.4% decline from 2022.
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Employee Sentiment
Sentiment Topics
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