Better than 88% of Sweden's compulsory schools
What is the Skolkoll Score?Fridaskolan i Trollhättan is a large group-operated compulsory school with 540 pupils.
Fridaskolan i Trollhättan is a large group-operated compulsory school with 540 pupils. The share of qualified teachers (72%) is below the national average of 74%.
- 540PupilsMunicipality: 6,390High reliability
- 72%Qualified teachersMunicipality: 73% · Sweden: 74%High reliability
- 261.3Merit value yr 9Municipality: 229.1 · Sweden: 227.6Moderate reliability
- +19.0SALSA residualModel: 261.0Moderate reliability
- 13.6Pupils per teacherMunicipality: 13.6 · Sweden: 12.1High reliability
- 142,196 SEKCost per pupil (municipal avg.)Sweden: 142,155 SEKLimited history
The Data view is optimised for in-depth analysis: history, sources, methodology and export. For a summary interpretation, see Overview.
Key figures over time
Summary of the central metrics for the most recent 5 academic years. Visit each source for the full time series.
| Academic year | Pupils | Qualified teachers | Avg. grade | Cost/pupil (municipality) |
|---|---|---|---|---|
| 2526 | 540 | 72% | — | — |
| 2425 | — | 74% | 261.3 | — |
| 2324 | — | 72% | 241.5 | — |
| 2223 | — | 88% | 243.2 | — |
| 2122 | — | 85% | 252.0 | — |
Source: Skolverket + Kolada (cost is municipal average, not school-specific).
School history
Events from Skolverket's unit register, Skolinspektionen inspections, group history, and locally-computed statistical signals. Source events and computed signals are shown separately so authority data is not mixed with deviation indicators.
Most significant registered changes
3 priority events out of 8 total: Lifecycle — School started; Signal — Qualified teachers changed unusually much; Signal — Merit rating changed unusually much.
Quick overview
Few, high-confidence events for guardians and pupils. Low-confidence events, statistics publications, and technical source traces appear in the views below.
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Lifecycle School started
Skolverket records 2013-10-01 as the start date for this compulsory school operated by Fridaskolorna AB, current status AKTIV.
Source history
Name, operator, status and headmaster changes; inspection decisions; statistics publications; and traceable group history. These rows are source-tagged with origin and confidence.
No source-tagged name, operator, status, headmaster, inspection, statistics or group events for Fridaskolan i Trollhättan in the sources Skolkoll holds locally.
In-depth analysis
Indications, low-confidence rows, statistics publications, and technical source history — for school leaders, journalists, and analysts.
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Statistics Pupil count: statistics vintage available
Pupil count is available for 2026. This is data availability, not a school event.
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Statistics Pupils per teacher: statistics vintage available
Pupils per teacher is available for 2026. This is data availability, not a school event.
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Statistics Qualified teachers: statistics vintage available
Qualified teachers is available for 2026. This is data availability, not a school event.
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Statistics Merit rating: statistics vintage available
Merit rating is available for 2025. This is data availability, not a school event.
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Statistics Upper-secondary eligibility: statistics vintage available
Upper-secondary eligibility is available for 2025. This is data availability, not a school event.
Computed signals
Larger year-over-year movements in historical key figures. These rows are Skolkoll's computations from existing history and should NOT be read as authority decisions or quality judgements.
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Signal Merit rating changed unusually much
Merit rating increased by 19.8 points from 241.5 to 261.3 between 2024 and 2025. This is a calculated signal, not a register decision.
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Signal Qualified teachers changed unusually much
Qualified teachers decreased by 15 pp from 88% to 72% between 2023 and 2024. This is a calculated signal, not a register decision.
Register sources: Skolverket (fetched 27 May 2026), Skolinspektionen (fetched 3 May 2026), and group lookup from Bolagsverket/Skolkoll. Computed signals are tagged with source "Skolkoll calculation" and have year-level date precision.
Spotted something wrong? Report an error in the history.
Pupil forecast — Trollhättan
Number of children in the age group ages 6–15 in the municipality, according to SCB's forecast.
Forecast covers all children in this age group across the entire municipality — not just this school's catchment. Local enrolment depends on school choice and migration patterns.
Source: SCB (population forecast for Trollhättan municipality, by school-form age group).
Trollhättan municipality — history (school form: compulsory school)
Municipality-aggregated key figures from Kolada over the most recent 5 years. Shown as municipality average — not school-specific values — because Kolada reports financial and pedagogical metrics at school-form level per municipality.
| Measure | 2025 | 2024 | 2023 | 2022 | 2021 |
|---|---|---|---|---|---|
| Pupils | 6,250 | 6,254 | 6,311 | 6,375 | 6,415 |
| Merit value yr 9 | 227.3 | 222.9 | 229.5 | 229.3 | 224.9 |
| Eligibility for upper secondary | 71.4% | 68.4% | 68.8% | 69.9% | 69.4% |
| Pupils per teacher | 12.4 | 12.2 | 12.3 | 11.8 | 12.2 |
| Cost per pupil | — | 142,196 SEK | 135,819 SEK | 126,989 SEK | 121,118 SEK |
Source: Kolada (Swedish council for municipal analyses).
Data sources
Skolkoll is built exclusively on public data sources. Each row below shows the source, fetch date, and which metrics come from it.
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Pupil count, qualifications, grades, teacher numbers per school
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Model-based expected results based on pupil composition
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Inspection decisions, remarks, complaints
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Fetch date is missing in dataset metadata; no school-register date is used as a substitute.
Population and economic data
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Municipal key figures, financial data per school form
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Fetch date is missing in dataset metadata; no school-register date is used as a substitute.
Property register, buildings, orthophotos (CC BY 4.0)
Methodology and definitions
- Skolkoll methodology (overview) — how data is fetched, validated and displayed.
- Skolkoll Score — calculation, weighting, interpretation guide.
- SALSA model — what it measures and what it doesn't.
- Qualified teachers — definition and data source.
- Corrections policy — how errors are fixed and documented.
Export
Download data for your own analysis. Files are CSV with UTF-8 encoding.