Slättbergsskolan 7-9 in Trollhättan

Adapted compulsory school, Compulsory school — Year 7–9 in Trollhättan, Västra Götalands län · TROLLHÄTTANS KOMMUN

3 values has limited history

This applies only to the values listed here.

There is still too little history to interpret the trend safely.

This affects

  • Cost per student
  • Permanently employed teachers
  • Number of pupils
  • Costs are affected by accounting practices, rent levels, and service mix, and should mainly be compared across similar school types.
  • This staffing metric is affected by FTE definitions, local reporting practices, and temporary vacancies.
  • Pupil counts may be privacy-suppressed for small units and are not always updated on the same cadence as other indicators.

Other values here do not have this specific note.

Skolkoll score: 52 of 100 Declining How is it calculated?
This school performs near average
170 pupils 54.6% qualified teachers Merit 242.8 11.7 pupils/teacher Grade deviation +0.1 1 warning signal
Quality dimensions
Results 71
Staff 10
Value-added 78
Safety* 50
Resources 55
* Missing school-specific data — using national median (50). Based on 4 of 5 dimensions.

Slättbergsskolan 7-9 is a compulsory school in Trollhättan, Västra Götalands län. The school has 170 pupils and 11.7 pupils per teacher. Average merit value in year 9 is 242.8 points. 54.6% of teachers are qualified. Provider The organisation that runs the school — a municipality, foundation or limited company.Read more in glossary → : Trollhättans kommun.

Statistics: school year 2023/24. Source: Skolverket, SCB, Kolada. Glossary · About the data.

Result history: 5 years
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Visits

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Warning signals

Objective assessment based on statistics — not a quality stamp. Glossary.

1 warning signal identified
Low share of qualified teachers 55%

55% qualified teachers — significantly below the national average (74%).

School signal summary

Near average
compared to national averages
Merit value yr 9
242.8
National: 227.7 Municipality: 229.1
Pupils/teacher
11.7
National: 12.1 Municipality: 13.6
Qualified teachers
54.6%
National: 74.0% Municipality: 72.8%
Eligible for upper secondary
88.5%
National: 86.1%
School National Municipality

School profileSchool strengths and profile

School's strengths compared to all compulsory schools nationally. Source: Skolverket, Schools Inspectorate. Method.

Radar chart: school profile across five dimensions ResultsStaffSafetyResourcesTrend

Percentile ranking

School's position among all compulsory schools in Sweden.

Merit score P71
Qualified teachers P10
Teacher density P55
Upper secondary eligibility P56

Cost per pupil The municipality’s total cost for compulsory school per student per year. Ranges from under SEK 100,000 to over SEK 200,000.Read more in glossary → — Trollhättan

Municipality average cost per pupil. Source: Kolada.

142,196 SEK Total cost/pupil National avg: 142,155 SEK
75,083 SEK Teaching
22,451 SEK Facilities
8,833 SEK Meals
3,821 SEK Learning materials
6,189 SEK Student health

Municipal schools: 144,180 SEK/pupil.

Student support services Collective term for the school’s medical, psychological, psychosocial, and special-educational services.Read more in glossary → in Trollhättan

Municipality-level data on student health and support resources. Source: Kolada and the Schools Inspectorate.

Student health, compulsory school
6,189 SEK/pupil (national: 5,053 SEK)
Easy access to student health, yr 5
56.3%
Easy access to student health, yr 8
54.6%
Support from student health (staff)
76.2%
Preventive work (staff)
64.6%

View all key figures for Trollhättan · Source: Kolada

After-school care in Trollhättan

Municipality-level key figures for after-school care (fritidshem) in Trollhättan. The data covers the entire municipality and may differ from this specific unit.

Children per FTE
20.5 (national: 21.6)
Pedagogical higher education
39.8% (national: 36.7%)
Cost per child
50,398 SEK/year (national: 46,712 SEK)
Enrolment rate (age 6-12)
60.3% (national: 57.9%)
Enrolled children in municipality
2,891

View all key figures for Trollhättan · Source: Kolada

Student forecast — Trollhättan

Population forecast for children ages 6–15 in Trollhättan. Source: SCB.

7,026 ages 6–15 (2025)
6,546 ages 6–15 (2030)
6,014 ages 6–15 (2035)
-6.8 % Change

Staff & stability

Staff stability and qualification data, shown first at school level and then at municipality level.

This school

Indicator based on the share of permanently employed, senior and qualified teachers. The school has moderate staff stability.

Medium
Permanently employed
83.7%
Senior teachers
11.5%
Qualified teachers
54.6%

Teacher turnover: 12% — share of teachers who left or joined during the year

Municipal average qualified teachers: 72.8% (national: 74%).

A high share of permanently employed and qualified teachers indicates a more stable staff situation. Source: Skolverket Statistical Database.

Municipality

How stable the teaching workforce is in the municipality, measured as the trend in the share of qualified teachers over time. Municipality-level data from Kolada. School-specific trend is shown above under This school.

Qualified teachers The proportion of teachers with a teaching licence and qualification in the subjects they teach.Read more in glossary → — Trollhättan (2025)
71.4% (national: 73.3%)
Qualification trend (2020–2025)
↑ +4.2 percentage points (improving)
Pupils per teacher — Trollhättan
12.4 (national: 11.9)

Trend: qualified teachers in Trollhättan (%)

2020: 67.2% 2025: 71.4%

All staff data for Trollhättan

Merit value The sum of a student’s 16 best grades in year 9, max 320 points (340 with modern languages). The national average is around 225–230.Read more in glossary → vs. expected ( SALSA A statistical model that compares schools’ results with what is expected given the student composition.Read more in glossary → )

SALSA compares the school's actual merit value with a modelled value based on pupil composition. School year 2024/25.

243 Actual merit value
209 Modelled value
+34.0 (expected: 0) School's own contribution (2024/25)

Municipality avg. (Trollhättan): +4.0

−60 0 +60
○ Moderate certainty Standard uncertainty: ±1.2 points (170 pupils)
Medium-sized school — the SALSA score is reasonably stable but individual cohorts can have an impact.

SALSA measures relative performance — not absolute school quality. The model explains approx. 53% of variation; the rest depends on factors like leadership, teaching, resources and pupil selection not captured by the model.

Background variables in the model
Parents' education level
2.1 (scale 1-3)
Recently immigrated pupils
2%
Share of boys
54.0%
Pass in all subjects
75% (model: 62%, score: +13)

SALSA score over time

2020/21: +13.0 2024/25: +34.0

Positive SALSA score = higher results than expected given pupil composition. Source: SIRIS/Skolverket. Read more about SALSA.

Similar schools

The 5 most similar compulsory schools based on pupil count, geography, teacher qualifications and pupil composition.

Schools with similar pupil composition

Schools with similar SALSA background variables (parents' education, recently immigrated, gender). Shows how Slättbergsskolan 7-9 performs compared to schools with similar conditions.

+34.0 Performs above expectations

Better SALSA score than 15 of 15 comparison schools

Average SALSA score among comparison schools: -0.2

School Municipality Merit value SALSA score Qualified teachers
Slättbergsskolan 7-9 Trollhättan 243 +34.0 54.6%
Akalla grundskola F-9 Stockholm 222 +14.0 66.7%
Jens Billeskolan Bjuv 205 -1.0 65.4%
Fryshuset Grundskola Husby Stockholm 222 +15.0 53.8%
Paradisskolan Pa02 Nybro 198 -13.0 63%
Hedebyskolan Trosa 210 +3.0 92.9%
Dalaskolan Södra Bromölla 202 -9.0 70.8%
Bjärnums skola F-9 Hässleholm 198 -10.0 76.6%
von Bahrs skola Uppsala 220 +12.0 70%
Orsaskolan Orsa 200 -8.0 68.6%
Korsavadsskolan 1 Simrishamn 208 -2.0 59.7%
Västerskolan F-9 Hässleholm 220 +10.0 82.2%
Parkskolan Hallstahammar 222 +16.0 70%
Västervångskolan Landskrona 224 +18.0 72.3%
Ekeby skola Bjuv 177 -29.0 52.4%
Våxtorpsskolan 7-9 Laholm 190 -19.0 79.4%

SALSA score = actual merit value minus SALSA model's expected value. Positive (green) = better than expected. Source: SIRIS/Skolverket. School year 2024/25.

Student throughput The proportion of upper secondary students who graduate within three years. An important quality measure for upper secondary schools.Read more in glossary →

Proxy: difference in pass rate (all subjects) year 6 vs year 9.

53 Pupils yr 9
+7.4 pp Pass rate yr 6 vs 9
88.5% Upper secondary eligibility National avg: 86% (national: 86.1%)

Pupils per year group

Year 7
61
Year 8
57
Year 9
53

Statistics

Number of pupils
170 Limited historyThere is still too little history to interpret the trend safely.This affectsNumber of pupilsPupil counts may be privacy-suppressed for small units and are not always updated on the same cadence as other indicators.Read more about the method →
Pupils per teacher
11.7 (municipal avg: 13.6, national: 12.1)
Qualified teachers
54.6% (municipal avg: 72.8%, national: 74%)
Merit value yr 9
242.8 (municipal avg: 229.1, national: 227.7)
Eligible for vocational upper secondary yr 9
88.5% (national: 86.1%)
NP Swedish yr 9
15.4%
NP English yr 9
16.8%
NP Mathematics yr 9
10.3%
School library
Yes

Quality dataQuality and finance (Skolverket Statistical Database)

Costs, personnel data and school survey results from Skolverket's quality system.

Costs per pupil

Total cost
144,200 SEK Limited historyThere is still too little history to interpret the trend safely.This affectsCost per studentCosts are affected by accounting practices, rent levels, and service mix, and should mainly be compared across similar school types.Read more about the method →
Teaching
75,100 SEK
Facilities
22,500 SEK
Meals
8,800 SEK
Learning materials
3,800 SEK
Student health
6,190 SEK

Personnel

Special needs teachers qualified
24.5%
Permanently employed
83.7% Limited historyThere is still too little history to interpret the trend safely.This affectsPermanently employed teachersThis staffing metric is affected by FTE definitions, local reporting practices, and temporary vacancies.Read more about the method →
Senior teachers
11.5%
Teacher turnover The proportion of staff replaced during a year. High staff turnover may indicate instability or recruitment difficulties.Read more in glossary →
12%
Pupils per counsellor
1177.6
Certified in subject(s)
68.9% (licensed and certified for teaching subject)
Teachers (FTE)
437.8
Share of female teachers
72.7%

Demographics & safety

Pupil demographics

Foreign background
31.7%
Gender
54.0% boys, 46.0% girls
Recently immigrated pupils
2% (SALSA model)
Other mother tongue than Swedish
35.9% (municipality avg.)
Swedish as a second language
20.9% (municipality avg.)
Parents with higher education
62.8%

Safety in the municipality

Reported crimes at municipality level — not school-specific. Source: Kolada.

Reported crimes (total)
9,986 per 100,000 pop.
Violent crimes
890 per 100,000 pop.
Burglaries
245 per 100,000 pop.
Drug offences
967 per 100,000 pop.

Contact & AboutAbout the school

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Result tracking

Eligible for upper secondary
88.5% (national: 86.1%)

Postal address

46183 TROLLHÄTTAN

About data and sources

Statistics are sourced from Skolverket, Kolada/RKA and SCB. Latest known data update: . Empty values mean the data is missing at source or not applicable to this school type.

School unit code
84590859
School forms
Adapted compulsory school, Compulsory school
Year span
7–9
School provider
Trollhättans kommun
Organisation number
2120001546
Provider type
Municipality
Municipality
Trollhättan
County
Västra Götalands län
Legal form
Municipality
Principal
Filippa Körner

For definitions and methodology: method, data sources and glossary.

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Statistics: school year 2023/24. Source: Skolverket, SCB, Kolada. Glossary · About the data.
— = data not available from source.