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Tranellska gymnasiet in Västerås

Upper secondary school VÄSTERÅS Municipality · Västerås, Västmanlands County

Headmaster: Marcus Hallgren

42 /100
Skolkoll Score 42 out of 100. The scale goes from 0 (lowest) to 100 (highest). 50 is the average. This value is below average.

Better than 35% of Sweden's upper secondary schools

What is the Skolkoll Score?

Tranellska gymnasiet is a medium-sized municipal upper secondary school with 250 pupils.

Tranellska gymnasiet is a medium-sized municipal upper secondary school with 250 pupils. The share of qualified teachers (82%) is above the national average of 74%.

Skip table of contents

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 3 academic years. Visit each source for the full time series.

Academic year Pupils Qualified teachers Avg. grade Cost/pupil (municipality)
2425 — — 11.9 —
2223 — — 12.2 —
2021 — — 13.1 111,813 SEK

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

1 priority events out of 4 total: Lifecycle — School started.

Quick overview 1 Source history 0 In-depth analysis 3 Computed signals 0
All 4 Lifecycle 1 Statistics 3
high 4 medium 0 low 0
12 months3 years10 yearsAll

Quick overview

Few, high-confidence events for guardians and pupils. Low-confidence events, statistics publications, and technical source traces appear in the views below.

  1. Lifecycle School started

    Skolverket records 2013-10-01 as the start date for this upper secondary school operated by VÄSTERÅS KOMMUN, current status AKTIV.

    Register event Source: Skolverket school-unit register Confidence: high Date precision: day

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 Tranellska gymnasiet 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.

  1. Statistics Grade points: statistics vintage available

    Grade points is available for 2025. This is data availability, not a school event.

    Statistics publication Source: Skolverket statistics history Confidence: high Date precision: year Method: skv4-statistics-availability-v1 Observed: 2025

  2. Statistics Higher-education eligibility: statistics vintage available

    Higher-education eligibility is available for 2021. This is data availability, not a school event.

    Statistics publication Source: Skolverket statistics history Confidence: high Date precision: year Method: skv4-statistics-availability-v1 Observed: 2021

  3. Statistics Graduated within three years: statistics vintage available

    Graduated within three years is available for 2019. This is data availability, not a school event.

    Statistics publication Source: Skolverket statistics history Confidence: high Date precision: year Method: skv4-statistics-availability-v1 Observed: 2019

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.

No major locally-computed deviation signals found in the school's historical key figures.

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.

Quality data (Skolverket Statistical Database)

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

Costs per pupil

Total cost
405 SEK Limited history There is still too little history to interpret the trend safely. This affects Cost per student Costs 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
590,475 SEK
Facilities
147,900 SEK
Learning materials
11,700 SEK
Student health
3,920 SEK

Personnel

Permanently employed
85.3% Limited history There is still too little history to interpret the trend safely. This affects Permanently employed teachers This staffing metric is affected by FTE definitions, local reporting practices, and temporary vacancies. Read more about the method →
Senior teachers (förstelärare)
— Data missing — the Swedish National Agency for Education has not published this value.

School survey (agree, %)

Safety, upper secondary yr 2
84% Limited history There is still too little history to interpret the trend safely. This affects Safety upper sec. year 2 The school survey relies on voluntary responses and results can vary substantially between years for small samples. Read more about the method →
Study peace, upper secondary yr 2
62% Limited history There is still too little history to interpret the trend safely. This affects Study environment upper sec. year 2 The school survey relies on voluntary responses and results can vary substantially between years for small samples. Read more about the method →
Anti-bullying, upper secondary yr 2
63%
Stimulation, upper secondary yr 2
62%

Source: Skolverket Statistical Database (Statistikdatabasen). Updated annually.

Demography

Pupil forecast — Västerås

Number of children in the age group ages 16–18 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.

ages 16–18 (2025) 5,834
ages 16–18 (2030) 6,070
ages 16–18 (2035) 6,085
Change 2025→2030 +4.0%

Source: SCB (population forecast for Västerås municipality, by school-form age group).

Västerås municipality — history (school form: upper secondary 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 20252024202320222021
Pupils 5,7865,7095,7315,6015,602
Avg. graduation grade 14.714.714.814.914.8
Examination rate (3 yr) 72.0%72.3%71.6%70.8%68.8%
Higher-ed eligibility (3 yr) 58.7%60.7%61.3%60.4%60.5%
Cost per pupil 140,315 SEK138,200 SEK130,485 SEK125,868 SEK119,454 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.

Methodology and definitions

Export

Download data for your own analysis. Files are CSV with UTF-8 encoding.

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