Mellansjö skola in Täby

Adapted compulsory schoolYear 7–9Operator: Nytida Enigma AB · Täby, Stockholms County

Headmaster: Kajsa Sponton

Mellansjö skola is a small group-operated adapted compulsory school.
Mellansjö skola is a small group-operated adapted compulsory school.

123,225 SEK
Cost per pupil (municipal avg.)
Sweden: 144,179 SEK
Limited history

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The Data view is optimised for in-depth analysis: history, sources, methodology and export. For a summary interpretation, see Overview.

School history

Events from Skolverket's unit register, Skolinspektionen inspections, group history, and locally-computed statistical signals are shown in one chronology. Each row states its row type, origin and data trust so authority data is not mixed up with Skolkoll's own signals.

School history

3 priority events out of 15 total: Authority record · Status changed; Authority record · Operator name changed; Authority record · Operator name changed.

Important6Register changes15Context0Signals0

Showing all 15 events. Enable JavaScript to filter the timeline.

Quick overview

Choose which layers to show in the same date-ordered timeline.

2026
2026-05-25
Authority recordProgrammesSkolverket
Special-support flag changed
From "false" to "true".
high reliabilityfound in data check
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Source
Skolverket
Reliability
High: the information comes from an authority source or a matched authority decision.
What the date means
The date shows when Skolkoll found the change in a data check. The change may have happened earlier.
2023
2023-04-03
Authority recordNameSkolverket
Operating name started being reported
Skolverket started reporting the operating name "Mellansjö skola". This is source history, not a confirmed name change.
high reliabilityfound in data check
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Source
Skolverket
Reliability
High: the information comes from an authority source or a matched authority decision.
What the date means
The date shows when Skolkoll found the change in a data check. The change may have happened earlier.
2023-04-03
Authority recordProgrammesSkolverket
Year levels changed
From "7, 9" to "7, 8, 9".
high reliabilityfound in data check
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Source
Skolverket
Reliability
High: the information comes from an authority source or a matched authority decision.
What the date means
The date shows when Skolkoll found the change in a data check. The change may have happened earlier.
2022
2022-03-17
Authority recordContactSkolverket
Contact details changed
From "url: https://nytida.se/skola/vara-skolor/mellansjoskolan/, email: erik.rundcrantz@nytida.se, phone: 072-5847008" to "url: https://nytida.se/skola/vara-skolor/mellansjoskolan/, email: kajsa.sponton@nytida.se, phone: 070-3482577".
high reliabilityfound in data check
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Source
Skolverket
Reliability
High: the information comes from an authority source or a matched authority decision.
What the date means
The date shows when Skolkoll found the change in a data check. The change may have happened earlier.
2022-03-17
Authority recordHeadmasterSkolverket
Head changed
The principal changed in the register. The name is not shown in history.
high reliabilityfound in data check
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Source
Skolverket
Reliability
High: the information comes from an authority source or a matched authority decision.
What the date means
The date shows when Skolkoll found the change in a data check. The change may have happened earlier.
2019
2019-11-12
Authority recordContactSkolverket
Contact details changed
From "url: http://www.enigmaomsorg.se, email: bernt.andersson@solhagagruppen.se, phone: 08-51010216" to "url: https://nytida.se/skola/vara-skolor/mellansjoskolan/, email: erik.rundcrantz@nytida.se, phone: 072-5847008".
high reliabilityfound in data check
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Source
Skolverket
Reliability
High: the information comes from an authority source or a matched authority decision.
What the date means
The date shows when Skolkoll found the change in a data check. The change may have happened earlier.
2019-11-12
Authority recordHeadmasterSkolverket
Head changed
The principal changed in the register. The name is not shown in history.
high reliabilityfound in data check
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Source
Skolverket
Reliability
High: the information comes from an authority source or a matched authority decision.
What the date means
The date shows when Skolkoll found the change in a data check. The change may have happened earlier.
2019-11-12
Authority recordOperatorSkolverket
Operator name changed
From "Solhagagruppen Enigma AB" to "Nytida Enigma AB".
high reliabilityfound in data check
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Source
Skolverket
Reliability
High: the information comes from an authority source or a matched authority decision.
What the date means
The date shows when Skolkoll found the change in a data check. The change may have happened earlier.
2017
2017-02-24
Authority decisionInspectionSwedish Schools Inspectorate
Injunction
Decision includes injunction, fine or serious deficiency. Document title: Regelb. tillsyn Skolbeslut Täby Mellansjö grundsärskola, 2017 (pdf, 7525 kB).
high reliabilityknown date
Read decision (PDF) ↗
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Source
Swedish Schools Inspectorate
Reliability
High: the information comes from an authority source or a matched authority decision.
What the date means
The date is a known decision, publication or register date.
2015
2015-09-02
Authority recordContactSkolverket
Contact details changed
From "url: http://www.enigmaomsorg.se, email: e.lundberg@enigmaomsorg.se" to "url: http://www.enigmaomsorg.se, email: bernt.andersson@solhagagruppen.se, phone: 08-51010216".
high reliabilityfound in data check
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Source
Skolverket
Reliability
High: the information comes from an authority source or a matched authority decision.
What the date means
The date shows when Skolkoll found the change in a data check. The change may have happened earlier.
2015-09-02
Authority recordOperatorSkolverket
Operator name changed
From "Enigma Omsorg AB" to "Solhagagruppen Enigma AB".
high reliabilityfound in data check
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Source
Skolverket
Reliability
High: the information comes from an authority source or a matched authority decision.
What the date means
The date shows when Skolkoll found the change in a data check. The change may have happened earlier.
2015-09-02
Authority recordStatusSkolverket
Status changed
From "PLANERAD" to "AKTIV".
high reliabilityfound in data check
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Source
Skolverket
Reliability
High: the information comes from an authority source or a matched authority decision.
What the date means
The date shows when Skolkoll found the change in a data check. The change may have happened earlier.
2015-09-02
Authority recordLocationSkolverket
Visiting address changed
From "Enhagsslingan 21, 18740 TÄBY" to "Mellansjövägen 20, 18770 Täby".
high reliabilityfound in data check
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Source
Skolverket
Reliability
High: the information comes from an authority source or a matched authority decision.
What the date means
The date shows when Skolkoll found the change in a data check. The change may have happened earlier.
2015-08-17
Authority recordLifecycleSkolverket
School started
Skolverket records 2015-08-17 as the start date for this adapted compulsory school operated by Nytida Enigma AB, current status AKTIV.
high reliabilityknown date
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Source
Skolverket
Reliability
High: the information comes from an authority source or a matched authority decision.
What the date means
The date is a known decision, publication or register date.
2014
2014-09-12
Authority recordHeadmasterSkolverket
Head changed
The principal changed in the register. The name is not shown in history.
high reliabilityfound in data check
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Source
Skolverket
Reliability
High: the information comes from an authority source or a matched authority decision.
What the date means
The date shows when Skolkoll found the change in a data check. The change may have happened earlier.

Register sources: Skolverket (fetched 5 Jul 2026), the Swedish Schools Inspectorate (fetched 3 Jul 2026) and group lookup from Bolagsverket/Skolkoll. Computed signals are marked separately and use year-level date precision.

Does something look wrong? Report an error in the history.

Quality data (Skolverket Statistical Database)

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

Personnel

Permanently employed: 84.9% Limited history
Senior teachers (förstelärare): —
Teacher turnover: 5.3%
Pupils per counsellor: 1,270
Certified in subject(s): 45% (licensed and certified for teaching subject)
Teachers (FTE): 24.2
Share of female teachers: 59.2%

School survey (agree, %)

Safety, year 5: 90%
Safety, year 8: 79% Limited history
Study peace, year 5: 52%
Study peace, year 8: 58% Limited history
Anti-bullying, year 5: 73%
Anti-bullying, year 8: 57%
Stimulation, year 5: 66%
Stimulation, year 8: 58%

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

Data sources

Skolkoll is built exclusively on public data sources. Each row below shows the source, fetch date, and which metrics come from it.

How sources are labelled

Skolkoll separates official statistics, its own processing, and information from a school or provider.

Official/statistical source: Data from an authority, municipality or other published statistical source. Date and source should be shown where possible.Affects score where the method says so
Skolkoll processing: Calculated, normalised or assembled by Skolkoll from published sources. The method should be documented.Affects score where the method says so
School-reported information: Information from the school or provider. It is shown separately and does not affect ranking or Skolkoll score without a published methodology decision.Does not affect score/ranking
Editorial/method text: Explanations, checklists and interpretation support from Skolkoll. This supports further review; it is not an official decision.Does not affect score/ranking

Swedish National Agency for Education (Skolverket)Fetched 5 Jul 2026
Pupil count, qualifications, grades, teacher numbers per school
Skolverket SALSAFetched 3 Jul 2026
Model-based expected results based on pupil composition
Swedish Schools Inspectorate (Skolinspektionen)Fetched 3 Jul 2026
Inspection decisions, remarks, complaints
Statistics Sweden (SCB)Fetched Not available
Fetch date is missing in dataset metadata; no school-register date is used as a substitute.
Population and economic data
KoladaFetched 3 Jul 2026
Municipal key figures, financial data per school form
LantmäterietFetched Not available
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

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Open data — all schools

Mellansjö skola in Täby

School history

Quick overview

Special-support flag changed

Operating name started being reported

Year levels changed

Contact details changed

Head changed

Contact details changed

Head changed

Operator name changed

Injunction

Contact details changed

Operator name changed

Status changed

Visiting address changed

School started

Head changed

Quality data (Skolverket Statistical Database)

Personnel

School survey (agree, %)

Data sources

Methodology and definitions

Export