Castorskolan F-9 — After-school care, Compulsory school, Preschool classskolkoll.se
Independent school data for all of Sweden
SCHOOL REPORT
Castorskolan F-9
After-school care, Compulsory school, Preschool class · Year 1–9 · Bjurholm, Västerbottens län
Provider: BJURHOLMS KOMMUN · School unit code: 20372097
Statistics: school year 2023/24 · Exported 2026-05-07
Castorskolan F-9 in Bjurholm
Skolkoll score
42/100
Merit score
196.6≈(municipal avg: 196.6, national: 227.7)
Qualified teachers
76 %≈(municipal avg: 76%, national: 74%)
Students per teacher
9.4≈(municipal avg: 9.4, national: 12.1)
Number of students
230
Upper secondary eligibility
100 %↑(national: 86.1%)
About Skolkoll score (42/100): Composite quality score based on 5 dimensions
(Results, Staff, Value-added, Safety, Resources).
Data from Skolverket, SCB and Kolada. Method: skolkoll.se/en/glossary/skolkoll-score/
After-school care, Compulsory school, Preschool class — Year 1–9 in Bjurholm, Västerbottens län · BJURHOLMS KOMMUN
◔7 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
Certified teachers
Cost per student
Eligible for vocational programmes
Merit score year 9
Permanently employed teachers
Pupils per teacher
Number of pupils
This staffing metric is affected by FTE definitions, local reporting practices, and temporary vacancies.
Costs are affected by accounting practices, rent levels, and service mix, and should mainly be compared across similar school types.
This result metric can be affected by privacy suppression, small cohorts, and changes in pupil composition between years.
Pupil counts may be privacy-suppressed for small units and are not always updated on the same cadence as other indicators.
* Missing school-specific data — using national median (50). Based on 4 of 5 dimensions.
Castorskolan F-9 is a compulsory school in Bjurholm, Västerbottens län. The school has 230 pupils and 9.4 pupils per teacher. Average merit value in year 9 is 196.6 points. 76% of teachers are qualified. Provider The organisation that runs the school — a municipality, foundation or limited company.Read more in glossary →: Bjurholms kommun.
Full inspection decisions, injunctions and quality reviews are available from the Schools Inspectorate.
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 → — Bjurholm
Municipality average cost per pupil. Source: Kolada.
Student support services Collective term for the school’s medical, psychological, psychosocial, and special-educational services.Read more in glossary → in Bjurholm
Municipality-level data on student health and support resources. Source: Kolada and the Schools Inspectorate.
Municipality-level key figures for after-school care (fritidshem) in Bjurholm.
The data covers the entire municipality and may differ from this specific unit.
Population forecast for children ages 6–15 in Bjurholm. Source: SCB.
262ages 6–15 (2025)
259ages 6–15 (2030)
232ages 6–15 (2035)
-1.1 %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
87.6%
Senior teachers
7.4%
Qualified teachers
76%
Teacher turnover: 9.7%
— share of teachers who left or joined during the year
Municipal average qualified teachers: 76%
(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 → — Bjurholm (2025)
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.
197Actual merit value
203Modelled value
-6.0↓(expected: 0)
School's own contribution (2024/25)
Municipality avg. (Bjurholm): -6.0
−600+60
○ Moderate certainty
Standard uncertainty: ±1.0 points
(230 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.
Schools with similar SALSA background variables (parents' education, recently immigrated, gender).
Shows how Castorskolan F-9 performs compared to schools with similar conditions.
-6.0 Performs below expectations
Better SALSA score than 2 of 15 comparison schools
Average SALSA score among comparison schools: +4.7
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.
How do the pupils feel? ( School survey The Schools Inspectorate’s survey sent to pupils, parents, and staff about safety, classroom order, and teaching.Read more in glossary →)
Results from the Schools Inspectorate's survey.
Share of pupils who fully or partly agree (0–100%). National average shown in brackets where available.
Trends over time
Data changes
Statistics
Number of pupils
230 ◔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
9.4 ≈(municipal avg: 9.4, national: 12.1)◔Limited historyThere is still too little history to interpret the trend safely.This affectsPupils per teacherThis staffing metric is affected by FTE definitions, local reporting practices, and temporary vacancies.Read more about the method →
Qualified teachers
76% ≈(municipal avg: 76%, national: 74%)◔Limited historyThere is still too little history to interpret the trend safely.This affectsCertified teachersThis staffing metric is affected by FTE definitions, local reporting practices, and temporary vacancies.Read more about the method →
Merit value yr 9
196.6 ≈(municipal avg: 196.6, national: 227.7)◔Limited historyThere is still too little history to interpret the trend safely.This affectsMerit score year 9This result metric can be affected by privacy suppression, small cohorts, and changes in pupil composition between years.Read more about the method →
Eligible for vocational upper secondary yr 9
100% ↑(national: 86.1%)◔Limited historyThere is still too little history to interpret the trend safely.This affectsEligible for vocational programmesThis result metric can be affected by privacy suppression, small cohorts, and changes in pupil composition between years.Read more about the method →
NP Swedish yr 9
9.3%
NP English yr 9
14.9%
NP Mathematics yr 9
6.1%
School library
No
Extended statisticsDetailed results
Quality dataQuality and finance(Skolverket Statistical Database)
Costs, personnel data and school survey results from Skolverket's quality system.
Costs per pupil
Total cost
158,400 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
90,500 SEK
Facilities
38,500 SEK
Meals
17,700 SEK
Learning materials
7,000 SEK
Student health
4,670 SEK
Personnel
Permanently employed
87.6% ◔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
7.4%
Teacher turnover The proportion of staff replaced during a year. High staff turnover may indicate instability or recruitment difficulties.Read more in glossary →
9.7%
Pupils per counsellor
316
Certified in subject(s)
65.1% (licensed and certified for teaching subject)
Teachers (FTE)
24.4
Share of female teachers
77.4%
Demographics & safety
Pupil demographics
Foreign background
10.5%
Gender
48.0% boys, 52.0% girls
Recently immigrated pupils
4% (SALSA model)
Other mother tongue than Swedish
11.6% (municipality avg.)
Parents with higher education
57%
Safety in the municipality
Reported crimes at municipality level — not school-specific. Source: Kolada.
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
20372097
School forms
After-school care, Compulsory school, Preschool class