Mercer Island School District
Director/Supervisor
William Gerdes in 2025 was employed at Mercer Island School District and had an annual salary of $139,308, according to public records. This salary was 63 percent higher than the average and 64 percent higher than the median salary in Mercer Island School District.
Mercer Island School District records show William Gerdes held three jobs from 2022 to 2025.
According to the public records employee's salary increased by $60,873 from 2024 to 2025, which is a 77.6 percent rise. Since 2022, the salary has increased by $103,198, a total rise of 285.8 percent.
| Year | 2025 |
| Full Name | William Gerdes |
| Job Title | Director/Supervisor |
| Get Director/Supervisor Salary Statistics | |
| State | Washington |
| Employer | Mercer Island School District |
| Annual Wage | $139,308 |
| Pay Plan |
*Information may include where available: salary, bonuses, benefits, retirement contributions, pensions, and other financial data.
| Employer Name | Mercer Island School District |
| Year | 2025 |
| Number of Employees | 558 |
| Average Annual Wage | $85,508 |
| Median Annual Wage | $85,185 |
William Gerdes (2024)Office Clerical | View Person Details |
William Gerdes (2023)Office Clerical | View Person Details |
William Gerdes (2022)Operator | View Person Details |
Michael Neff (2025)Psychologist at Mercer Island School District | View Person Details |
Rita Harvey (2025)Teacher - Secondary at Mercer Island School District | View Person Details |
Trina Sherman (2025)Elem. Homeroom Teacher at Mercer Island School District | View Person Details |
Kelly Albrecht (2025)Elem. Specialist Teacher at Mercer Island School District | View Person Details |
Drury Klein (2025)Counselor at Mercer Island School District | View Person Details |
Julia Langley (2025)Elem. Homeroom Teacher at Mercer Island School District | View Person Details |
Emily Mills (2025)Other Support Personnel at Mercer Island School District | View Person Details |
Bruce Harrington (2025)Elem. Homeroom Teacher at Mercer Island School District | View Person Details |
Irina Babayan (2025)Other Support Personnel at Mercer Island School District | View Person Details |
Douglas Davis (2025)Teacher - Secondary at Mercer Island School District | View Person Details |