Postal address
Box 687, 64551 STRÄNGNÄS
Strängnäs Montessoriskola
After-school care, Compulsory school, Preschool class — Year 1–9 in Strängnäs, Södermanlands län · Strängnäs Montessoriskola Ekonomisk förening
Improving How is it calculated?
This school performs below average
Quality dimensions
Results 52
Staff 56
Value-added 39
Safety 59
Resources 29
Strängnäs Montessoriskola is a compulsory school in Strängnäs, Södermanlands län. The school has 440 pupils and 13.4 pupils per teacher. Average merit value in year 9 is 227.6 points. 75.9% of teachers are qualified. Provider The organisation that runs the school — a municipality, foundation or limited company.Read more in glossary → : Strängnäs Montessoriskola Ekonomisk förening.
Statistics: school year 2023/24. Source: Skolverket, SCB, Kolada. Glossary · About the data.
Result history: 5 years Pro trial
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Visits
Open house and visiting days
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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.
School signal summary
Near average
compared to national averages Merit value yr 9
227.6 ↑
National: 227.7 Municipality: 229.9
Pupils/teacher
13.4 →
National: 12.1 Municipality: 12.5
Qualified teachers
75.9% ↓
National: 74.0% Municipality: 72.1%
Eligible for upper secondary
78.3% ↑
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.
Percentile ranking
School's position among all compulsory schools in Sweden.
Merit score P52
Qualified teachers P56
Teacher density P29
Upper secondary eligibility P26
Safety index
59 /100
Safety 74%
Study environment 46%
Anti-bullying 48%
Staff 63%
Company dataProvider and inspection
Inspection and review (Schools Inspectorate)
Decisions and reviews from the Schools Inspectorate.
Full inspection decisions are available from the Schools Inspectorate.Search at skolinspektionen.se
Search inspection records
The Schools Inspectorate (Skolinspektionen) is responsible for supervision and quality reviews of schools in Sweden.
Search for Strängnäs Montessoriskola at the Schools Inspectorate
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 → — Strängnäs
Municipality average cost per pupil. Source: Kolada.
142,309 SEK Total cost/pupil National avg: 142,155 SEK
96,672 SEK Teaching
20,091 SEK Facilities
8,530 SEK Meals
6,527 SEK Learning materials
6,557 SEK Student health
Municipal schools: 164,791 SEK/pupil. This school is run by an independent provider and receives a pupil allowance from the municipality.
Student support services Collective term for the school’s medical, psychological, psychosocial, and special-educational services.Read more in glossary → in Strängnäs
Municipality-level data on student health and support resources. Source: Kolada and the Schools Inspectorate.
View all key figures for Strängnäs · Source: Kolada
After-school care in Strängnäs
Municipality-level key figures for after-school care (fritidshem) in Strängnäs. The data covers the entire municipality and may differ from this specific unit.
View all key figures for Strängnäs · Source: Kolada
Student forecast — Strängnäs
Population forecast for children ages 6–15 in Strängnäs. Source: SCB.
5,067 ages 6–15 (2025)
4,991 ages 6–15 (2030)
4,701 ages 6–15 (2035)
-1.5 % 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 moderate staff stability.
Medium
Teacher turnover: 12.8% — share of teachers who left or joined during the year
Municipal average qualified teachers: 72.1% (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.
Trend: qualified teachers in Strängnäs (%)
2020: 60.8% 2025: 73.1%
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.
228 Actual merit value
241 Modelled value
-13.0 (expected: 0)
School's own contribution (2024/25)
Municipality avg. (Strängnäs): -0.7
−60 0 +60
✓ High certainty
Standard uncertainty: ±0.7 points
(440 pupils)
Large school — the SALSA score is statistically stable.
Large school — the SALSA score is statistically stable.
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. Independent schools with selective admissions may show higher SALSA scores without necessarily better teaching.
Background variables in the model
SALSA score over time
2020/21: +17.0 2024/25: -13.0
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.
Schools with similar pupil composition
Schools with similar SALSA background variables (parents' education, recently immigrated, gender). Shows how Strängnäs Montessoriskola performs compared to schools with similar conditions.
-13.0 Performs below expectations
Better SALSA score than 2 of 15 comparison schools
Average SALSA score among comparison schools: +3.3
| School | Municipality | Merit value | SALSA score | Qualified teachers |
|---|---|---|---|---|
| Strängnäs Montessoriskola | Strängnäs | 228 | -13.0 | 75.9% |
| Kunskapsskolan Enköping | Enköping | 242 | +3.0 | 66.4% |
| Sandbergska skolan Upplands Väsby | Upplands Väsby | 263 | +19.0 | 57.6% |
| Slättängsskolan H2 | Kristianstad | 263 | +19.0 | 68.8% |
| Waldorfskolan i Karlshamn | Karlshamn | 241 | +1.0 | – |
| Nosabyskolan H | Kristianstad | 240 | +2.0 | 81.4% |
| Fridaskolan, Vänersborg | Vänersborg | 223 | -21.0 | 67.7% |
| Holstagårdsskolan | Helsingborg | 252 | +12.0 | 77% |
| Östra skolan, Mörbylånga | Mörbylånga | 235 | -5.0 | 53% |
| Josefinaskolan, grundskola | Sigtuna | 242 | -1.0 | – |
| Raoul Wallenbergskolan Uppsala | Uppsala | 244 | +4.0 | – |
| Alléskolan | Skurup | 245 | +8.0 | 74.7% |
| Vittra Frösunda | Solna | 267 | +21.0 | 78.3% |
| Bohusskolan | Ale | 222 | -10.0 | 75% |
| Kristna skolan | Stockholm | 257 | +25.0 | 54.7% |
| Fryshuset Grundskola Hammarby Sjöstad | Stockholm | 217 | -28.0 | 67.5% |
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.
49 Pupils yr 6
48 Pupils yr 9
+1 pp
Pass rate yr 6 vs 9
78.3%
Upper secondary eligibility National avg: 86% (national: 86.1%)
Pupils per year group
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
Extended statisticsDetailed results
Quality dataQuality and finance (Skolverket Statistical Database)
Costs, personnel data and school survey results from Skolverket's quality system.
Personnel
School survey — radar chart
Student responses across 5 dimensions. Grey area = national average. What does the survey measure?
Safety 78% -3.8 pp
Study environment 51% -5.5 pp
Anti-bullying 52% -13.1 pp
Stimulation 56% -9.9 pp
Support 66% -8 pp
Avg 61%
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?
Stable (+0.4 on 0–10)
Demographics & safety
Pupil demographics
Safety in the municipality
Reported crimes at municipality level — not school-specific. Source: Kolada.
Contact & AboutAbout the school
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Result tracking
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.
For definitions and methodology: method, data sources and glossary.
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Related
Keep exploring this school through its provider, group, municipality, and the most relevant statistics pages.
Compulsory schools in SträngnäsSee all compulsory schools in the municipality with results and comparisons.Schools in SträngnäsOpen the municipality page with all schools, rankings, and local aggregates.Strängnäs Montessoriskola Ekonomisk föreningSee all schools, municipalities, and core metrics for the same provider.Södermanlands 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.School size by school typeSee how school forms and unit sizes are distributed nationally.School type distributionCompare how school forms are distributed across municipalities and operators.
Documents from the Schools Inspectorate
School libraries in the municipality
Municipal average from the National Library's school library statistics (2024).
School meals
Weekly menus and meal provider for this school's municipality.
No menu provider registered for this municipality yet.
Source: municipality's own meal portal — Skolnavigator does not host menu content.
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Statistics: school year 2023/24. Source: Skolverket, SCB, Kolada.
Glossary · About the data.
— = data not available from source.
