Charities Norway Education Stiftelse Oslo International School
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Stiftelse Oslo International School

Bekkestua, Bærum Reg 976738454 · Brønnøysund Sign up to see website
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62
Integrity Assessment
Partial transparency
62/100 · methodology

About Stiftelse Oslo International School

Driving education for children and young people on an ideal basis.

Drive undervisning for barn og ungdom på ideelt grunnlag.. Videregående opplæring innenfor studieforberedende utdanningsprogram

Translated from Norwegian by GiveRadar.

Founded
Headquarters
Bekkestua, Bærum
Foundation type
Foundation (Stiftelse)
Size
very-large

Focus areas & reach

· What they work on and where
📚 Education

How it stacks up against peers

· vs. 8 similar education in Norway
Integrity Assessment This charity: 62
Peer average: 73

Red flags

· All clear
Brønnøysund register suspension
Open investigations
Governance scandals
Related-party deals
Excessive exec comp

Common questions

· Auto-generated from filings + methodology

Stiftelse Oslo International School is a registered education nonprofit based in Bekkestua, Bærum, Norway. It is registered with the Brønnøysund Register Centre. It was founded in 1996 and has been operating for 30 years. Its registration number is 976738454. It has a GiveRadar Integrity Assessment of 62/100 (Partial transparency), indicating some public data is available but key signals are missing. This is below the average of 73/100 for education charities in Norway. The organization reports NOK 153M in annual revenue. 9 officers and directors are publicly disclosed. No red flags have been detected.

Stiftelse Oslo International School has a GiveRadar Integrity Assessment of 62/100. This score combines five components: Registration (20 pts), Financial Transparency (30 pts), Governance (20 pts), Contact Availability (10 pts), and Data Recency (20 pts), with negative adjustments for any red flags. A score of 62 ('Partial transparency') means some public data is on file but key signals are missing - worth a closer look before donating. For comparison, the average integrity assessment for education charities in Norway is 73/100.

Stiftelse Oslo International School is located in Bekkestua, Bærum, Norway. The organization was established in 1996 and has been active for 30 years.

Based on official tax filings, Stiftelse Oslo International School has NOK 153M in annual revenue. Its revenue is significantly above the peer average of NOK 56M. Create a free GiveRadar account to view the complete financial breakdown with year-over-year trends.

Stiftelse Oslo International School is classified as a Education organization, registered in Norway. It operates as a Stiftelse. By size, it is categorized as a very-large organization. It has NOK 153M in annual revenue. The organization has 9 disclosed officers and directors.

No red flags have been detected for Stiftelse Oslo International School. GiveRadar automatically screens charities for concerning patterns including high executive compensation, low program spending, and missing financial filings. Based on available official data, no issues have been identified.

Stiftelse Oslo International School has a GiveRadar Integrity Assessment of 62/100. We recommend reviewing the full profile before making a donation decision. The organization is overseen by the Lotteri- og stiftelsestilsynet. Visit the Stiftelse Oslo International School profile on GiveRadar for full details before deciding. GiveRadar provides data for research purposes and does not endorse any organization. Always do your own due diligence.

Driving education for children and young people on an ideal basis. Stiftelse Oslo International School is classified as a education organization registered in Norway. The organization was founded in 1996.

Among education charities registered in Norway: Stiftelse Oslo International School's GiveRadar Integrity Assessment of 62/100 is below the peer average of 73/100. Its annual revenue of NOK 153M is well above the peer average of NOK 56M.

Stiftelse Oslo International School is registered in Norway. Donations of at least 500 NOK (up to 50,000 NOK per year) to approved Norwegian nonprofits are tax-deductible. The organization must be registered in the Volunteer Register and report donations to the Norwegian Tax Administration.

Verified against 5 official sources, last refreshed .

Annual revenue
NOK 100M-NOK 1B
Source: no_brreg (FY2024) why this matters
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Filing history

1 year on file from no_brreg (FY2024): revenue, expenses, program spending, assets, and liabilities by fiscal year.

Years on record: FY2024.
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Taxes

Tax-deductibility for donors

Donations may be tax-deductible for residents of Norway under local rules. Confirm with the charity directly.

Always confirm tax treatment with the charity directly or your tax advisor before donating.

Leadership

TH
Thale Elisabeth Gray Herbertson

Officers & trustees (9)

Source: Public filings

CE
Celina M••••••••
Board Member
JO
John F•••••••• F••
Board Member
LA
Lair V••••• H•••••
Board Member
MI
Mieka R•••• F••••••
Board Member
NI
Nicolas T•••••••••••••
Board Member
PA
Paul J•••• J••••••
Styrets leder
SV
Svein-Helge H•••••
Board Member
TH
Thale E•••••••• G••• H•••••••••
Managing Director
TO
Tor A••••• P•••••••
Board Member
Full names, contact details & compensation

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Latest news

From global news sources

No recent news coverage found

News coverage will appear here when articles mention this organization.

Activity timeline

Filings and press mentions, merged

Form filed
NOK 152.7M revenue
FY2024
NO_BRREG

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Peer charities

Other education in Norway, by integrity assessment

Charity Score Revenue Program %
Stiftelse Oslo International School This page 62 $13.7 million -
Solbakken Barnehage 74 $1.0 million -
Berg Montessoriskole 74 $974,652 -
Esam Academy 74 $87,302 -
Rom for Kunst og Arkitektur Sti 72 $402,595 -
Stiftelsen Bergen Dansesenter 72 $566,089 -
Sande Barnehage 72 $3.0 million -
Sørtromsøya Barnehage/ameliahaugen Barnehage Sti 72 $743,726 -
Oslo Energy Forum Sti 72 $306,857 -

Sources and verification

Refreshed

Registration and legal identity
Brønnøysund Register Centre
Financial filings
Brønnøysund Register Centre - Fiscal year 2024 most recent on file.
Officers and trustees
Brønnøysund Register Centre - 9 disclosed in the public registry.
News and media coverage
GDELT Project + Google News
Supplementary verification
Wikidata structured data

Data freshness

Last updated
Apr 21, 2026
Profile completeness
65%

What we don't know

Honest gaps - our score reflects transparency, not impact

Mission statement
No self-published statement of purpose
Programs & projects
No named programs listed by the charity
Tax-deductibility status
Whether donations are tax-deductible has not been verified
Operating reach
Countries where programs run not specified
Programmatic detail
Specific cause areas not yet tagged

Methodology

GiveRadar combines public registry filings, ProPublica Nonprofit Explorer, Charity Navigator, GuideStar, and news archives into a single 0-100 integrity assessment. We don't take a cut of any donation, ever.

Read full methodology

Quick facts about Stiftelse Oslo International School

What is Stiftelse Oslo International School?
Stiftelse Oslo International School is a education foundation based in Bekkestua, Norway. Driving education for children and young people on an ideal basis.
When was Stiftelse Oslo International School founded?
Stiftelse Oslo International School was founded in 1996.
Who leads Stiftelse Oslo International School?
Thale Elisabeth Gray Herbertson.
Where is Stiftelse Oslo International School located?
Headquartered in Bekkestua, Norway.
What is Stiftelse Oslo International School's annual budget?
Annual revenue for fiscal year 2024 is approximately NOK 100M-NOK 1B.
Is Stiftelse Oslo International School trustworthy?
Stiftelse Oslo International School has a GiveRadar Integrity Assessment of 62 out of 100 (Partial transparency). The score reflects public-data transparency: registration, financial disclosure, governance, contact details, and how recently data was refreshed. It does not measure program impact.
What is Stiftelse Oslo International School's registration number?
Registration: 976738454 (Norway).
What is Stiftelse Oslo International School's website?
https://www.oslointernationalschool.no
Are donations to Stiftelse Oslo International School tax-deductible?
Donations may be tax-deductible for residents of Norway under local rules. US donors should check whether the charity has an equivalency-determination letter or a US-based fiscal sponsor before claiming a deduction.