All compulsory schools in Trosa — 6 schools

All compulsory schools in Trosa

Results and grades

School results in compulsory schools in Trosa municipality (2025).

Merit score yr 9 (municipal average, 16 subjects)

230.2 (national avg: 228.5)

Pass in all subjects, yr 9

77.5 %

Pass in mathematics

92.5 %

Pupil satisfaction yr 5

75 %

Pupil satisfaction yr 8

65.8 %

Parents with post-secondary education

66 %

Source: Kolada — municipal and regional database.

Teachers and staff

Pupil-teacher ratio and teacher certification in compulsory schools in Trosa municipality (2025).

Certified teachers (compulsory school)

78.3 % (national avg: 73.3 %)

Pupils per teacher

12.3

Source: Kolada — municipal and regional database.

Staff stability

Stability of the teaching workforce in Trosa municipality, measured as the trend in the share of certified teachers over time.

Certified teachers (2025)

78.3 % (national avg: 73.3 %)

Stability indicator (2020–2025)

↑ Improving (+9.5 pp)

National trend (2020–2025)

↑ Improving (+2.2 pp)

Source: Kolada — municipal and regional database.

Pupils and operators

Pupil counts and distribution between municipal and independent schools (2025).

Number of compulsory-school pupils

1,722

Municipal / independent share

98.7 % / 1.3 %

Source: Kolada.

Costs — compulsory school

Cost per pupil in compulsory school (2025). Includes a breakdown for municipal schools. All amounts are calendar-year.

Total cost per pupil: 152,833 SEK(national avg: 144,179 SEK)

Municipal schools: 146,387 SEK/pupil

Source: Kolada (N15006, N15008, N15009–N15014).

Student health and special support

Student-health resources, staffing, accessibility and special support in Trosa municipality.

Student health, compulsory school

6,462 SEK/pupil (national avg: 5,260 SEK)

Support from student-health staff

84.6 %

Preventive work (staff)

71.2 %

Easy to get help, yr 5

55.4 %

Easy to get help, yr 8

64.2 %

Safety at school

81.4 %

Study calm

31 %

Source: Kolada. Survey data from Skolinspektionen.

Mother tongue and multilingualism

Mother-tongue tuition and multilingualism in Trosa municipality (2025).

Mother tongue other than Swedish

22.1 %

Participates in mother-tongue tuition

12.9 %

Studies Swedish as a second language

9.1 %

Pass in mother-tongue tuition, yr 9

100 %

Pass in Swedish as a 2nd language, yr 9

83.3 %

Newly arrived last 3 yrs (comp. school)

1.9 %

Source: Skolverket and Kolada.

SALSA — merit score vs preconditions

SALSA compares actual school results with model-predicted values based on pupil composition. Positive deviation = better result than expected. School year 2024/25. SALSA measures relative performance — not absolute school quality. The model explains ~53 % of the variation.

Highest merit score in Trosa

Top 2 schools by merit score yr 9.

Special compulsory school

Key figures for "anpassad grundskola" (compulsory school for pupils with intellectual disabilities) in Trosa municipality (2025).

Number of pupils

9

Share of compulsory-school pupils

0.5 %

Cost per pupil

884,200 SEK/yr

Teachers per 100 pupils

3.5

Source: Kolada.

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