Postal address
Rudsjöterassen 1, 3 tr, 13640 HANDEN
Deltaskolan
Compulsory school — Year 7–9 in Haninge , Stockholms län
Deltaskolan is a compulsory school in Haninge, Stockholms län. The school has 140 pupils and 8.4 pupils per teacher. Average merit value in year 9 is 206.5 points. 35.3% of teachers are qualified. Provider: Deltaskolan AB.
Statistics: school year 2023/24. Source: Skolverket, SCB, Kolada. Glossary · About the data. For the full Swedish profile with surveys, trend charts and extended commentary, you can also open the Swedish school page.
Warning signals
Objective assessment based on statistics — not a quality stamp. Glossary.
Low share of qualified teachers 35%
35% qualified teachers — significantly below the national average (73%).
Below average
compared to national averages Merit value yr 9
206.5 ↑
National: 227.2 Municipality: 212.5
Pupils/teacher
8.4 ↓
National: 12.1 Municipality: 13.4
Qualified teachers
35.3% ↓
National: 73.2% Municipality: 39.2%
Eligible for upper secondary
82.3% ↑
National: 86.1%
School National Municipality
Student support services in Haninge
Municipality-level data on student health and support resources. Source: Kolada and the Schools Inspectorate.
View all key figures for Haninge · Source: Kolada
After-school care in Haninge
Municipality-level key figures for after-school care (fritidshem) in Haninge. The data covers the entire municipality and may differ from this specific unit.
View all key figures for Haninge · Source: Kolada
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 relatively low staff stability.
Low
Teacher turnover: 8.4% — share of teachers who left or joined during the year
Municipal average qualified teachers: 39.2% (national: 73%).
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 Haninge (%)
2020: 59% 2024: 64.9%
Merit value vs. expected (SALSAStatistical model adjusting results for student demographics) ⓘ
SALSA compares the school's actual merit value with a modelled value based on pupil composition. School year 2024/25.
206 Actual merit value
210 Modelled value
-4.0
School's own contribution (2024/25)
Municipality avg. (Haninge): -0.8
−60 0 +60
○ Moderate certainty
Standard uncertainty: ±1.3 points
(140 pupils)
Medium-sized school — the SALSA score is reasonably stable but individual cohorts can have an impact.
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.
Background variables in the model
Positive SALSA score = higher results than expected given pupil composition. Source: SIRIS/Skolverket. Read more about SALSA.
Schools with similar pupil composition
Schools with similar SALSA background variables (parents' education, recently immigrated, gender). Shows how Deltaskolan performs compared to schools with similar conditions.
-4.0 Performs below expectations
Better SALSA score than 9 of 15 comparison schools
Average SALSA score among comparison schools: -2.9
| School | Municipality | Merit value | SALSA score | Qualified teachers |
|---|---|---|---|---|
| Deltaskolan | Haninge | 206 | -4.0 | 35.3% |
| Valboskolan 7-9 | Färgelanda | 200 | -10.0 | 66.2% |
| Ungärde skola | Malung – Sälen | 235 | +22.0 | 63.9% |
| Solklintsskolan | Gotland | 162 | -42.0 | 43.4% |
| Brage- skola och språkförskola | Sollentuna | 180 | -34.0 | 34.6% |
| Strandenskolan F-9 | Dorotea | 234 | +25.0 | 64.7% |
| Silvertärnan Väster | Vänersborg | 199 | -7.0 | 70% |
| Nästegårdsskolan åk7-åk9 | Vara | 207 | -9.0 | 71.8% |
| Montessori Mondial Kristianstad | Kristianstad | 212 | +3.0 | 63.8% |
| Nivrenaskolan | Sundsvall | 185 | -35.0 | 88.6% |
| JENSEN grundskola Tungelsta | Haninge | 263 | +47.0 | 57.9% |
| Bjursåsskolan | Falun | 200 | -12.0 | 60.3% |
| Viksängsskolan | Västerås | 217 | -6.0 | 78.5% |
| Herrestorpskolan | Vellinge | 223 | +2.0 | 80.5% |
| Hagaskolan 4-9 | Varberg | 232 | +23.0 | 66.3% |
| Freinetskolan Hugin | Norrtälje | 214 | -10.0 | 65.8% |
SALSA score = actual merit value minus SALSA model's expected value. Positive (green) = better than expected. Source: SIRIS/Skolverket. School year 2024/25.
Statistics
Quality dataQuality and finance (Skolverket Statistical Database)
Costs, personnel data and school survey results from Skolverket's quality system.
Personnel
Demographics & safety
Pupil demographics
Safety in the municipality
Reported crimes at municipality level — not school-specific. Source: Kolada.
Basic informationAbout the school
Contact
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View contact details on Skolverket →
Addresses
Inspection and review
The Schools Inspectorate (Skolinspektionen) is responsible for supervision and quality reviews of schools in Sweden.
Search for Deltaskolan at the Schools Inspectorate →
Full inspection decisions, injunctions and quality reviews are available from the Schools Inspectorate.
Nearby grundskolor
Geographically nearest schools of the same type, regardless of municipality.
Compare these schools →Similar grundskolor in Stockholms län
Compare similar schools →Related
Keep exploring this school through its provider, group, municipality, and the most relevant statistics pages.
Schools in HaningeOpen the municipality page with all schools, rankings, and local aggregates.Deltaskolan ABSee all schools, municipalities, and core metrics for the same provider.Stockholms 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.Compare schoolsBuild a side-by-side comparison with the schools you care about.
Watch this school
Get notified by email when new statistics are published, merit scores change significantly, or the School Inspectorate issues a new decision.
Statistics: school year 2023/24. Source: Skolverket, SCB, Kolada.
Glossary · About the data.
— = data not available from source.
