Greater Lowell Technical High School
Teachers
John Callahan in 2025 was employed at Greater Lowell Technical High School and had an annual salary of $105,704, according to public records. This salary was 55 percent higher than the average and 36 percent higher than the median salary in Greater Lowell Technical High School.
Greater Lowell Technical High School records show John Callahan held two jobs from 2023 to 2025. From 2023 to 2025 John Callahan held job of Teachers.
In year 2025 John Callahan's salary was 12 percent higher than average Teachers salary in the state of Massachusetts.
| Year | 2025 |
| Full Name | John Callahan |
| Job Title | Teachers |
| Get Teachers Salary Statistics | |
| State | Massachusetts |
| Employer | Greater Lowell Technical High School |
| Annual Wage | $105,704 |
| Pay Plan |
*Information may include where available: salary, bonuses, benefits, retirement contributions, pensions, and other financial data.
| Employer Name | Greater Lowell Technical High School |
| Year | 2025 |
| Number of Employees | 509 |
| Average Annual Wage | $68,016 |
| Median Annual Wage | $77,471 |
John Callahan (2023)Teachers | View Person Details |
John Callahan (2023)Security Full Time | View Person Details |
Annemarie Cail (2025)Teachers at Greater Lowell Technical High School | View Person Details |
John Brunelle B (2025)Teachers at Greater Lowell Technical High School | View Person Details |
Jessica Bojanowski F (2025)Psychologists at Greater Lowell Technical High School | View Person Details |
Kara Theall A (2025)Teachers at Greater Lowell Technical High School | View Person Details |
Michael Stack A (2025)Teachers at Greater Lowell Technical High School | View Person Details |
Janice Mosko (2025)Teachers at Greater Lowell Technical High School | View Person Details |
Jeffrey Allard C (2025)Teachers at Greater Lowell Technical High School | View Person Details |
Cheryl Duarte E (2025)Teachers at Greater Lowell Technical High School | View Person Details |
Stephanie Graffam C (2025)Teachers at Greater Lowell Technical High School | View Person Details |
Barry Morgan J (2025)Teachers at Greater Lowell Technical High School | View Person Details |