School District of Philadelphia / Building 21
Agency file
The Building 21 is a government agency that delivers public services and programs within its jurisdiction.
In 2026, this agency had 54 employees with median total compensation of $62,844; the highest distinct record was $159,489.
What the records show
These summaries compare pay within the agency before listing individual records.
How 2026 total compensation is spread across the 54 employees. Each bar is a pay range; taller bars mean more people earn in that range. The amber line marks the median ($62,844) — half earn less, half more. The far-right bar collects the highest earners.
What an average paycheck here is made of — base salary versus overtime, other pay (bonuses, allowances), and benefits. A large overtime or other-pay share means take-home often exceeds base salary.
The pay ladder for this department. Someone at the 90th percentile earns $102,520 — more than 90% of the department; the 10th percentile earns $27,447. The shaded band is the middle half of employees (25th–75th percentile).
The most common job titles in this department by headcount, with the median total compensation for each. Click a title to see everyone who holds it.
Compare
Departments elsewhere with the most similar mix of roles — a proxy for the same kind of agency, matched by workforce composition rather than name. Pay is not cost-of-living adjusted.
Record list
Page 1
Principal/Building 21
Source-specific fields
At Building 21, Benjamin Koch serves as a Principal. Their 2026 pay totaled $159,489. They are represented by Casa.
Assistant Principal/Building 21
Source-specific fields
Brianne Macnamara is a Assistant Principal at Building 21. 2026 total compensation came to $125,847. They are represented by Casa.