Mercer Island School District
Secondary Teacher
Gary Twombley in 2024 was employed at Mercer Island School District and had an annual salary of $137,212, according to public records. This salary was 63 percent higher than the average and 66 percent higher than the median salary in Mercer Island School District.
Mercer Island School District records show Gary Twombley held job of Teacher Secondary from 2019 to 2025.
In year 2024 Gary Twombley's salary was 22 percent higher than average Secondary Teacher salary in the state of Washington.
According to the public records employee's salary increased by $4,902 from 2023 to 2024, which is a 3.7 percent rise. Since 2019, the salary has increased by $16,205, a total rise of 13.4 percent.
| Year | 2024 |
| Full Name | Gary Twombley |
| Job Title | Secondary Teacher |
| Get Secondary Teacher Salary Statistics | |
| State | Washington |
| Employer | Mercer Island School District |
| Annual Wage | $137,212 |
| Pay Plan |
*Information may include where available: salary, bonuses, benefits, retirement contributions, pensions, and other financial data.
| Employer Name | Mercer Island School District |
| Year | 2024 |
| Number of Employees | 550 |
| Average Annual Wage | $84,144 |
| Median Annual Wage | $82,750 |
Gary Twombley (2025)Teacher Secondary | View Person Details |
Gary Twombley (2023)Teacher Secondary | View Person Details |
Gary Twombley (2022)Teacher Secondary | View Person Details |
Gary Twombley (2021)Teacher Secondary | View Person Details |
Gary Twombley (2020)Teacher Secondary | View Person Details |
Gary Twombley (2019)Teacher Secondary | View Person Details |
Michelle Hayes (2024)Teacher - Secondary at Mercer Island School District | View Person Details |
Tonya Vanorden (2024)Teacher - Secondary at Mercer Island School District | View Person Details |
Heidi Clark (2024)Other Support Personnel at Mercer Island School District | View Person Details |
Drury Klein (2024)Counselor at Mercer Island School District | View Person Details |
Curt Johnston (2024)Teacher - Secondary at Mercer Island School District | View Person Details |
Bruce Harrington (2024)Elem. Homeroom Teacher at Mercer Island School District | View Person Details |
Jayna Dash (2024)Counselor at Mercer Island School District | View Person Details |
Abigail Espegard (2024)Other Support Personnel at Mercer Island School District | View Person Details |
Michael Neff (2024)Psychologist at Mercer Island School District | View Person Details |
Susan Hamp (2024)Elem. Specialist Teacher at Mercer Island School District | View Person Details |