Spirit Lake Middle School, Teacher's Experience and Compensation
| | 2007 | 2006 |
| Teachers with Bachelor Degree: | 66.7% | 68.8% |
| Teachers with Master or PhD Degree: | 33.3% | 31.3% |
| |
| Mean Number of Years of Teaching: | 17.0 years | 19.0 years |
| Teachers with 5 Years of Experience of Less: | 20.0% | NA |
| Teachers with 6 Years of Experience or More: | 80.0% | 87.5% |
| |
| Mean Base Salary: | $46,210.0 | $44,458.0 |
| Mean Base Salary of Teachers with 5 Years of Experience of Less: | $36,943.0 | NA |
| Mean Base Salary of Teachers with 6 Years of Experience or More: | $48,527.0 | $46,181.0 |
