Schools in Tjörn municipality
19 active school units in Tjörn, Västra Götalands län. The three most common school forms: 9 compulsory school, 7 after-school care, 6 preschool (+3 more) (a school can have multiple forms).
Data updated: 7 May 2026. School data covers 2023/24; Kolada data may cover different periods.
Tjörn has 19 schools with an average merit value of 223, which is below the national average. Teacher qualification: 75.1% (above the national average of 73.3%).
Summary — Tjörn
Five key insights about the municipality's education system.
- Cost per compulsory school pupil (175,341 SEK) is 23% higher than the national average (142,155 SEK).
- The number of compulsory school pupils is projected to decrease by 16% by 2035 (SCB forecast).
- Population is declining: -0.6% change (2025).
- Preschools have 5.5 children per FTE — 0.5 more than the national average (5).
- Highest merit value: Häggvallskolan Öst with 227.1 points.
Key metrics — Tjörn municipality
Overview of the municipality's education system.
Tjörn municipality has 19 schools with an average merit value of 223 (national avg 228.5). Teacher qualification is above the national average of 73.3%. Compared to similar municipalities, Tjörn outperforms its peers.
Development over time
Key education metrics for Tjörn over 6 years (2020–2025).
Merit values have increased by 2.4 points since 2020.
The share of qualified teachers has decreased by 0.4 percentage points since 2020.
Cost per pupil has increased by 38,457 SEK since 2020.
In-depth statistics
All 19 schools in Tjörn
Compare schools| School | School forms | Provider | Pupils | Qual. teachers |
|---|---|---|---|---|
| Bleketskolan | Compulsory school | Tjörns kommun | 190 | 64.2% |
| Fridas Hage | After-school care, Compulsory school, Preschool class | Tjörns kommun | 170 | 78.7% |
| Fridas hage anpassad grundskola | Adapted compulsory school, After-school care | Tjörns kommun | — | — |
| Häggvallskolan anpassad grundskola | Adapted compulsory school | Tjörns kommun | — | — |
| Häggvallskolan Öst | Compulsory school | Tjörns kommun | 190 | 65.9% |
| Häggvallskolan Väst | Compulsory school | Tjörns kommun | 200 | 78.3% |
| Kållekärr skola | After-school care, Compulsory school, Preschool class | Tjörns kommun | 180 | 81.8% |
| KÅLLEKÄRRS FÖRSKOLA | Preschool | Tjörns kommun | 102 | 42.7% |
| Komvux Tjörn | Adult education | Tjörns kommun | — | — |
| MYGGENÄS FÖRSKOLA | Preschool | Tjörns kommun | 119 | 34% |
| Myggenäs skola | After-school care, Compulsory school, Preschool class | Tjörns kommun | 170 | 86.7% |
| Resurscentrum, BoU- förvalt. | Tjörns kommun | — | — | |
| Rönnäng skola | After-school care, Compulsory school, Preschool class | Tjörns kommun | 200 | 77.5% |
| RÖNNÄNGS FÖRSKOLOR | Preschool | Tjörns kommun | 106 | 56.6% |
| SKÄRHAMNS FÖRSKOLA | Preschool | Tjörns kommun | 132 | 38.3% |
| Skärhamns skola | After-school care, Compulsory school, Preschool class | Tjörns kommun | 250 | 67.5% |
| TÅNGERÖDS FÖRSKOLA | Preschool | Tjörns kommun | 113 | 45.7% |
| Tjörns Montessori skola ekonomiskförening | After-school care, Compulsory school, Preschool class | Tjörns Montessoriskola Ekonomisk förening | 20 | — |
| TJÖRNS MONTESSORISKOLA EKONOMISK FÖRENING | Preschool | Tjörns Montessoriskola Ekonomisk Förening | 36 | 18.3% |
Compulsory school
Results, teachers, costs and student health
Results and grades
Compulsory school results in Tjörn (2025).
Source: Kolada.
Teachers and personnel
Teacher density and qualification in compulsory schools (2025).
Source: Kolada.
Show more: staff stability, student health, mother tongue, SALSA, grade distribution
Staff stability
Teacher workforce stability in Tjörn, measured by the trend in qualified teacher share over time.
Source: Kolada.
Pupils and providers
Pupil numbers and distribution between municipal and independent schools (2025).
Source: Kolada.
Costs — compulsory school
Cost per pupil in compulsory school (2024). Includes breakdown for municipal schools.
Source: Kolada (N15006, N15008–N15014).
Student health and support
Student health resources, accessibility and school safety in Tjörn.
Source: Kolada, Skolinspektionen.
Mother tongue and multilingualism
Mother tongue instruction and multilingualism in Tjörn (2025).
Source: Skolverket, Kolada.
SALSA — merit value vs prerequisites ⓘModel computedThis value is calculated using a statistical model.This affectsSALSA score (municipality)SALSA is model-based and does not explain the full variation in school outcomes.Read more →Read more about the method →
SALSA compares schools' actual results with model-calculated values based on pupil composition. A positive residual = better results than expected. School year 2024/25. SALSA measures relative performance — not absolute school quality. The model explains approx. 53% of variation.
| School | Actual | Model | Residual |
|---|---|---|---|
| Häggvallskolan Öst | 227 | 222 | +5.0 |
| Bleketskolan | 221 | 228 | -7.0 |
Top merit-value schools
Top 3 schools by year-9 merit value.
| School | Provider | Merit value | SALSA | Qualified teachers | Pupils |
|---|---|---|---|---|---|
| Häggvallskolan Öst | Tjörns kommun | 227.1 | +5.0 | 65.9% | 190 |
| Häggvallskolan Väst | Tjörns kommun | 221.1 | — | 78.3% | 200 |
| Bleketskolan | Tjörns kommun | 220.7 | -7.0 | 64.2% | 190 |
School ranking — Tjörn
All 3 compulsory schools with merit value, sorted by year-9 merit value. The SALSA residual shows whether a school performs above or below expectations given its pupils' background.
| School | Merit value | SALSA residual | Certified teachers | Pupils |
|---|---|---|---|---|
| Häggvallskolan Öst | 227.1 | +5.0 | 65.9% | 190 |
| Häggvallskolan Väst | 221.1 | – | 78.3% | 200 |
| Bleketskolan | 220.7 | -7.0 | 64.2% | 190 |
SALSA residual shows whether a school performs above or below expectations given pupil background. Positive (green) = better than expected, negative (red) = below expected. Source: Skolverket, 2024/25.
Adapted compulsory school
Key metrics for adapted compulsory school in Tjörn (2025).
Source: Kolada.
Trends — compulsory school
Development over time (2020–2025).
Safety and study environment
School survey results for schools in Tjörn
Municipal average — safety and study environment
Average results from the national school survey in Tjörn, based on 10 schools with survey data.
NKI trend over time (Pupils year 5)
Average school satisfaction index (0–10) in Tjörn municipality, based on at least 3 schools per year. Source: Skolinspektionen — Skolenkäten.
Schools ranked by safety
Schools in Tjörn sorted by pupils' perceived safety (national school survey). Higher is better.
▲ Highest safety
▼ Lowest safety
Safety per school in Tjörn
Upper secondary
Results, costs and staff in upper secondary schools
Upper-secondary statistics
Key metrics for upper-secondary schools in Tjörn (2024).
Source: Kolada.
Trends — upper secondary
Development over time (2020–2024).
University connection
Share of upper-secondary students in Tjörn going on to higher education.
Source: Kolada. Directly to university = share starting university the same year as graduation.
Pupil forecast
Population forecast for school-age children in Tjörn (SCB).
Source: SCB population forecast. The forecast indicates future demand pressure.
Adult education
Komvux and SFI (Swedish for immigrants)
Komvux (adult education)
Key metrics for municipal adult education in Tjörn (2024).
Source: Kolada.
SFI (Swedish for immigrants)
Key metrics for SFI in Tjörn (2024).
Source: Kolada.
Preschool and childcare
Preschool, after-school care and pedagogical care
Preschool in Tjörn
Municipal preschool data. Source: Skolverket's statistics database.
After-school care (fritidshem)
Key metrics for after-school care in Tjörn (2024).
Source: Kolada.
Pedagogical care
Key metrics for pedagogical care (family daycare etc.) in Tjörn (2025).
Source: Kolada.
Open preschool and family daycare
Open preschool and family daycare in Tjörn (2025).
Source: Kolada.
Trends — preschool and childcare
Development over time (2020–2024).
Children and youth
Health, economy and support
Children's and youth's health
Health indicators for children and young people in Tjörn (2024).
Source: Kolada (N33820).
Child and youth welfare
Key metrics for child and youth welfare in Tjörn (2024).
Source: Kolada (N31801, N31810, N31819).
Trends — adult education
Development in komvux and SFI (2020–2024).
Teacher certification: trend and forecast
Historical trend for the share of qualified teachers in Tjörn with a forecast based on linear extrapolation.
Source: Kolada. The forecast is indicative and based on linear regression.
Cost-effectiveness
Comparison between cost per pupil and achieved school results (merit value year 9) in Tjörn.
Tjörn achieves fewer merit points per invested krona than the national average.
Source: Kolada. Merit value per cost unit is a simplified measure and should be interpreted considering the municipality's socioeconomic conditions.
Peer municipalities
Compare Tjörn with statistically similar municipalities
Comparison with peer municipalities
Tjörn compared with 7 statistically similar municipalities. Colour coding: better / average / worse than peer average (±3%).
| Municipality | Merit value | Qual. teachers | Cost/pupil | Graduating 3 yrs | SALSA score |
|---|---|---|---|---|---|
| Tjörn you | 224.3 | 73.7% | 175,341 SEK | 73.7% | -1.0 |
| Hjo | 216.9 | 75.5% | 169,770 SEK | 70.5% | -14.0 |
| Grästorp | 218.3 | 70.1% | 168,785 SEK | 72.6% | -1.0 |
| Bengtsfors | 213.2 | 70.8% | 174,380 SEK | 73% | -2.0 |
| Orust | 218.7 | 79.3% | 163,984 SEK | 72.1% | -5.5 |
| Dals-Ed | 225.9 | 82.1% | 170,292 SEK | 73.7% | +1.0 |
| Sotenäs | 224.1 | 64.9% | 164,250 SEK | 70.5% | -3.0 |
| Göteborg | 232.2 | 74.9% | 154,061 SEK | 70.1% | +1.7 |
| Peer average | 221.3 | 73.9% | 166,503 SEK | 71.8% | -3.3 |
Trends compared with peer municipalities
Source: Kolada. Municipalities selected based on similar education key metrics within Västra Götalands län.
Similar municipalities (SCB group)
Municipalities in the same SCB classification group: Commuting municipality near a smaller town
Benchmark vs SCB group C7
Tjörn belongs to SCB municipality group C7 — Commuting municipality near a smaller town: municipality where at least 40% of the night-time population commutes to a smaller town. Here is how Tjörn compares to the 52 municipalities in the group.
Municipalities in the same SCB group
Tjörn belongs to SCB municipality group C7 — Commuting municipality near a smaller town: municipality where at least 40% of the night-time population commutes to a smaller town. 52 municipalities in total. Showing 8 below.
| Municipality | Merit value | Qualified teachers | Cost/pupil | Graduating 3 yrs |
|---|---|---|---|---|
| Tjörn | 224.3 | 73.7% | 175,341 SEK | 73.7% |
| Arboga | 226.7 | 72.1% | 138,550 SEK | 58.2% |
| Boxholm | 224.5 | 79.6% | 164,524 SEK | 67.9% |
| Bromölla | 203 | 75.2% | 145,712 SEK | 67.9% |
| Degerfors | 209.1 | 76.1% | 139,707 SEK | 49.5% |
| Eksjö | 217.9 | 65.4% | 151,682 SEK | 71.1% |
| Emmaboda | 216.4 | 77.7% | 181,122 SEK | 64.3% |
| Essunga | 177.6 | 69.3% | 162,716 SEK | 81.3% |
| Fagersta | 206.3 | 56% | 146,282 SEK | 54.1% |
Source: SCB municipality classification (2017) and Kolada. Compare with more municipalities using the Benchmark tool
Common questions about schools in Tjörn
- How many schools are there in Tjörn?
- Tjörn municipality has 19 active school units: 9 compulsory schools and 0 upper-secondary schools. Of these, 17 are municipal and 2 are independent. A total of 2,178 pupils attend schools in Tjörn.
- What are the merit values in Tjörn?
- The average year-9 merit value in Tjörn is 223 points (based on 3 schools). The highest merit value belongs to Häggvallskolan Öst with 227.1 points.
- Which school in Tjörn has the highest teacher qualification rate?
- Myggenäs skola has the highest share of qualified teachers in Tjörn at 86.7%. The municipal average is 75.1%.
- How much does a school place cost in Tjörn?
- The cost per pupil in compulsory school in Tjörn is 175,341 SEK per year (2024). In municipal schools the cost is 162,905 SEK per pupil.
- How do student health services work in Tjörn?
- Student health services in Tjörn cost 5,567 SEK per pupil (2024). 62.4% of year 5 pupils find it easy to access student health services. The figure for year 8 is 60%.
Statistics: school year 2023/24. Source: Skolverket, SCB, Kolada.
Glossary · About the data.
— = data not available from source.
National comparison
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