Prince William County Public Schools
Chemistry Teacher
Mark Demko in 2025 was employed at Prince William County Public Schools and had an annual salary of $127,080, according to public records. This salary was 67 percent higher than the average and 65 percent higher than the median salary in Prince William County Public Schools.
Public records show Mark Demko working for Prince William County Public Schools from 2023 to 2025.
In year 2025 Mark Demko's salary was 30 percent higher than average Chemistry Teacher salary in the state of Virginia.
According to the public records employee's salary increased by $33,335 from 2024 to 2025, which is a 35.6 percent rise. Since 2023, the salary has increased by $39,599, a total rise of 45.3 percent.
| Year | 2025 |
| Full Name | Mark Demko |
| Job Title | Chemistry Teacher |
| Get Chemistry Teacher Salary Statistics | |
| State | Virginia |
| Employer | Prince William County Public Schools |
| Annual Wage | $127,080 |
| Pay Plan |
*Information may include where available: salary, bonuses, benefits, retirement contributions, pensions, and other financial data.
| Employer Name | Prince William County Public Schools |
| Year | 2025 |
| Number of Employees | 14,292 |
| Average Annual Wage | $76,115 |
| Median Annual Wage | $77,080 |
Mark Demko (2024) | View Person Details |
Mark Demko (2023) | View Person Details |
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