Brattebergsskolan 7-9 in Öckerö

Compulsory school — Year 7–9 in Öckerö, Västra Götalands län · ÖCKERÖ KOMMUN

6 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

  • Anti-bullying year 8
  • Cost per student
  • Permanently employed teachers
  • Safety year 8
  • Study environment year 8
  • Number of pupils
  • The school survey relies on voluntary responses and results can vary substantially between years for small samples.
  • 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.

Read more about the method →
Skolkoll score: 42 of 100 Improving How is it calculated?
This school performs below average
190 pupils 70.6% qualified teachers Merit 215.5 11.5 pupils/teacher Grade deviation -1.3 1 warning signal
Quality dimensions
Results 34
Staff 39
Value-added 30
Safety 69
Resources 58

Brattebergsskolan 7-9 is a compulsory school in Öckerö, Västra Götalands län. The school has 190 pupils and 11.5 pupils per teacher. Average merit value in year 9 is 215.5 points. 70.6% of teachers are qualified. Provider The organisation that runs the school — a municipality, foundation or limited company.Read more in glossary → : Öckerö 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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Dates are added from school-provided or editorially verified sources after manual review.

Warning signals

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

1 warning signal identified
SALSA underperformance -24.0

Merit value is 24 points lower than expected given pupil composition (SALSA score: -24.0).

School signal summary

Near average
compared to national averages
Merit value yr 9
215.5 ↑
National: 227.7 Municipality: 228.6
Pupils/teacher
11.5 →
National: 12.1 Municipality: 13.5
Qualified teachers
70.6% ↓
National: 74.0% Municipality: 81.9%
Eligible for upper secondary
92.1% →
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 P34
Qualified teachers P39
Teacher density P58
Upper secondary eligibility P66

Safety index

69 /100
Safety 83%
Study environment 58%
Anti-bullying 59%
Staff 70%

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 → — Öckerö

Municipality average cost per pupil. Source: Kolada.

143,898 SEK Total cost/pupil National avg: 142,155 SEK
68,761 SEK Teaching
34,924 SEK Facilities
8,930 SEK Meals
4,518 SEK Learning materials
8,148 SEK Student health

Municipal schools: 147,638 SEK/pupil.

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

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

Student health, compulsory school
8,148 SEK/pupil (national: 5,053 SEK)
Easy access to student health, yr 5
53.4%
Easy access to student health, yr 8
54%
Support from student health (staff)
81.8%
Preventive work (staff)
72.7%

View all key figures for Öckerö · Source: Kolada

After-school care in Öckerö

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

Children per FTE
23.1 (national: 21.6)
Pedagogical higher education
37% (national: 36.7%)
Cost per child
52,595 SEK/year (national: 46,712 SEK)
Enrolment rate (age 6-12)
54.4% (national: 57.9%)
Enrolled children in municipality
530

View all key figures for Öckerö · Source: Kolada

Student forecast — Öckerö

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

1,416 ages 6–15 (2025)
1,253 ages 6–15 (2030)
1,098 ages 6–15 (2035)
-11.5 % 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 high staff stability.

High
Permanently employed
89%
Senior teachers
9.1%
Qualified teachers
70.6%

Teacher turnover: 12.3% — share of teachers who left or joined during the year

Municipal average qualified teachers: 81.9% (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 → — Öckerö (2025)
79.7% (national: 73.3%)
Qualification trend (2020–2025)
↑ +7.8 percentage points (improving)
Pupils per teacher — Öckerö
13 (national: 11.9)

Trend: qualified teachers in Öckerö (%)

2020: 71.9% 2025: 79.7%

All staff data for Öckerö

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.

216 Actual merit value
239 Modelled value
-24.0 (expected: 0) School's own contribution (2024/25)

Municipality avg. (Öckerö): -11.3

−60 0 +60
○ Moderate certainty Standard uncertainty: ±1.1 points (190 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
2.5 (scale 1-3)
Recently immigrated pupils
0%
Share of boys
49.0%
Pass in all subjects
68% (model: 78%, score: -10)

SALSA score over time

2020/21: -5.0 2024/25: -24.0

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.

Betelskolan
Öckerö
Merit: 246.6 Qual: 73.5% 170 pupils
3 km away 92% similarity
Drakbergsskolan
Göteborg
Merit: 255.9 Qual: 65.9% 220 pupils
17 km away 92% similarity
ISGR International section MYP 6-10
Göteborg
180 pupils
19 km away 92% similarity
Franska skolan Göteborg 6-9
Göteborg
Merit: 246.2 Qual: 71.3% 190 pupils
19 km away 91% similarity
Franska skolan Göteborg F-5
Göteborg
Qual: 72.6% 160 pupils
19 km away 91% similarity

Schools with similar pupil composition

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

-24.0 Performs below expectations

Better SALSA score than 1 of 15 comparison schools

Average SALSA score among comparison schools: -1.7

School Municipality Merit value SALSA score Qualified teachers
Brattebergsskolan 7-9 Öckerö 216 -24.0 70.6%
British Junior Secondary, Eskilstuna Eskilstuna 265 +24.0 –
Kunskapsskolan Varberg Varberg 236 -3.0 70.1%
Aggarpsskolan 4-9 Svedala 252 +12.0 78%
Gustav Adolfsskolan Alingsås 221 -18.0 64.8%
Nils Holgerssonskolan Simrishamn 248 +6.0 79.2%
Videdals privatskolor Malmö 283 +44.0 51.7%
Färjestadens högstadium Mörbylånga 244 +4.0 81.8%
Byängsskolan Täby 259 +19.0 70.3%
Finjasjöparkskolan Hässleholm Hässleholm 229 -14.0 85.3%
Tellusskolan Thea Bromma Stockholm 244 +8.0 75.6%
Kunskapsskolan Nyköping Nyköping 247 +8.0 75.9%
Varlaskolan Syd Kungsbacka 226 -16.0 85.7%
Tegnérskolan Karlshamn Karlshamn 237 -3.0 51.2%
Örnässkolan 7-9 Luleå 223 -16.0 78.5%
Vanadisskolan Stockholm 159 -81.0 55.8%

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.

73 Pupils yr 9
+6.9 pp Pass rate yr 6 vs 9
92.1% Upper secondary eligibility National avg: 86% (national: 86.1%)

Pupils per year group

Year 7
53
Year 8
60
Year 9
73

Statistics

Number of pupils
190 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
11.5 (municipal avg: 13.5, national: 12.1)
Qualified teachers
70.6% (municipal avg: 81.9%, national: 74%)
Merit value yr 9
215.5 (municipal avg: 228.6, national: 227.7)
Eligible for vocational upper secondary yr 9
92.1% (national: 86.1%)
NP Swedish yr 9
13.9%
NP English yr 9
16.3%
NP Mathematics yr 9
11.8%
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
147,600 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
68,800 SEK
Facilities
34,900 SEK
Meals
8,900 SEK
Learning materials
4,500 SEK
Student health
8,150 SEK

Personnel

Special needs teachers qualified
18.9%
Permanently employed
89% 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
9.1%
Teacher turnover The proportion of staff replaced during a year. High staff turnover may indicate instability or recruitment difficulties.Read more in glossary →
12.3%
Pupils per counsellor
1880
Certified in subject(s)
75.1% (licensed and certified for teaching subject)
Teachers (FTE)
91.5
Share of female teachers
77.8%

School survey — radar chart

Student responses across 5 dimensions. Grey area = national average. What does the survey measure?

SafetyStudy environmentAnti-bullyingStimulationSupport
Safety 83% +4.7 pp
Study environment 58% +1.8 pp
Anti-bullying 59% +3.4 pp
Stimulation 55% +0.3 pp
Support 61% -3.2 pp
Avg 63%

NKI trend over time (Pupils year 8)

NKI per year (0–10): the "nojdhet" dimension when present, otherwise the average of all survey dimensions. What does the survey measure?

5.9 2023 5.9 2025
Stable (+0.0 on 0–10)

Demographics & safety

Pupil demographics

Foreign background
7%
Gender
49.0% boys, 51.0% girls
Recently immigrated pupils
0% (SALSA model)
Other mother tongue than Swedish
6.1% (municipality avg.)
Swedish as a second language
0.8% (municipality avg.)
Parents with higher education
68.3%

Safety in the municipality

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

Reported crimes (total)
5,696 per 100,000 pop.
Violent crimes
289 per 100,000 pop.
Burglaries
133 per 100,000 pop.
Drug offences
195 per 100,000 pop.

Contact & AboutAbout the school

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Result tracking

Eligible for upper secondary
92.1% (national: 86.1%)

Postal address

47580 ÖCKERÖ

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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
85862849
School forms
Compulsory school
Year span
7–9
School provider
Öckerö kommun
Organisation number
2120001280
Provider type
Municipality
Municipality
Öckerö
County
Västra Götalands län
Legal form
Municipality
Principal
Robert Daniel Lalkumar Svensson

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

Betelskolan Compulsory school, Preschool class, After-school care · 170 pupils · Merit 246.6 Hedens skola 4-6 Compulsory school, After-school care · 170 pupils Hedens skola 7-9 Compulsory school · 210 pupils · Merit 223.8 Brattebergsskolan 4-6 Compulsory school, After-school care · 140 pupils Bergagårdsskolan Compulsory school, Preschool class, After-school care · 130 pupils Kompassenskolan Compulsory school, Preschool class, After-school care · 120 pupils See all compulsory schools in Öckerö
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Compulsory schools in ÖckeröSee all compulsory schools in the municipality with results and comparisons.Schools in ÖckeröOpen the municipality page with all schools, rankings, and local aggregates.Öckerö kommunSee all schools, municipalities, and core metrics for the same provider.Västra Götalands länCompare municipalities and school patterns across the whole county.Merit value year 9Compare year-9 merit values across municipalities and school environments.Certification vs Merit valueSee how merit values and upper-secondary eligibility move together.Compare schoolsBuild a side-by-side comparison with the schools you care about.

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Last updated: Source: Skolverket, SCB, Kolada

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