vs. Norrtälje Municipality (same form)
School compared with all schools in the same municipality and form.
| Metric | Grisslehamns skola | Municipal avg. | Difference |
|---|---|---|---|
| Qualified teachers | 89.4% | 65.9% | +23.5% |
| Pupils per teacher | 13.9 | 12.4 | −1.5 |
A composite of five open data sources — a starting point, not a grade.
Skolkoll score is Skolkoll's composite indicator based on available data sources. It is not an official quality measure and should be read together with the underlying data.
2 of 5 score dimensions have school-specific data.
When school-specific data is missing for a dimension, the neutral value 50 is used. That does not automatically lower the school, but it makes the score less informative.

Grisslehamns skola is a small municipal compulsory school with 30 pupils.
Grisslehamns skola is a small municipal compulsory school with 30 pupils. The share of qualified teachers (89%) is above the national average of 72%. Skolverket: unweighted school-unit mean, compulsory schools with published data; latest available value per school.
School compared with all schools in the same municipality and form.
| Metric | Grisslehamns skola | Municipal avg. | Difference |
|---|---|---|---|
| Qualified teachers | 89.4% | 65.9% | +23.5% |
| Pupils per teacher | 13.9 | 12.4 | −1.5 |
School compared with national benchmark values.
| Metric | Grisslehamns skola | National avg. | Difference |
|---|---|---|---|
| Qualified teachersSkolverket: unweighted school-unit mean, compulsory schools with published data; latest available value per school | 89.4% | 72.0% | +17.4% |
| Pupils per teacher | 13.9 | 11.9 | −2.0 |
Five schools most similar in geography, size and pupil composition.
| Metric | Grisslehamns skola | Similar avg. | Difference |
|---|---|---|---|
| Qualified teachers | 89.4% | 82.7% | +6.7% |
| Pupils | 30 | 34 | 4 |