Kulosaaren yhteiskoulu

What Kulosaaren yhteiskoulu does

Kulosaaren yhteiskoulu (KSYK) is a Finnish private secondary school operating under the legal entity Kulosaaren yhteiskoulun osakeyhtiö, founded in 1940 and headquartered in the Kulosaari district of Helsinki. The institution serves students in grades 7-9 (lower secondary) and upper secondary (lukio), with four specialization tracks: Yleislinja (General), Yhteiskunta- ja talouslinja (Society and Economics), Tiede- ja teknologialinja (Science and Technology), and Englanninkielinen linja (English Stream). It provides bilingual Finnish-English instruction and prepares students for the Finnish matriculation examination (ylioppilastutkinto), producing 179 ylioppilas graduates in spring 2026. The school also operates HELIMUN, a Model United Nations conference in its 26th year, the KSYK Sports Team with ~350 participants, and dedicated STEAM Lab and Makerspace facilities.

The school's technology stack centers on standard Finnish educational infrastructure: the Wilma student information system for administration and parent communication, the Abitti2 digital examination platform for the Finnish matriculation exam, Google Workspace for Education for collaboration, and Compass Group's Kulis service for cafeteria management. Specialized facilities include the STEAM Lab (open Fridays 14:30-17:00 in rooms R27/R28 for hands-on making with wood, wire, leather, vinyl, and stone) and a Makerspace supporting laser cutting, electronics, 3D modeling, printing, and woodworking. The school incorporates AI literacy through a 'Tekoälyn perusteet' (Basics of AI) course and Vibe coding methodology in mobile app development projects. Partnerships span three Finnish universities (Helsinki, Aalto, Turku) and corporate relationships with Nokia, Nordea, Google Finland, Planmeca, Thermo Fisher Scientific, Eficode, and United Bankers for guest lectures, site visits, and project-based learning.

As a Finnish educational institution, KSYK provides education free of charge to students, with operations funded primarily through government per-student allocations, supplemented by limited optional fees. Admissions flow through the national Opintopolku/Yhteishaku joint application system, with entrance exams required for bilingual and specialized streams. The company holds 49 employees, operates a single Helsinki campus (Ståhlberginkuja 1, expanded 2020-2022), and has celebrated 85 years of continuous operation. The school is privately held by traditional Finnish educational shareholders without venture capital or private equity backing, and holds annual shareholder meetings under its osakeyhtiö corporate structure.

Name

Kulosaaren yhteiskoulu

Legal name

Kulosaaren yhteiskoulun osakeyhtiö

Website

https://ksyk.fi

Company type

Private

Founded year

1940

Operating status

Operating

Headcount range

11–50 employees

Short description

Kulosaaren yhteiskoulu is a Finnish private bilingual secondary school in Helsinki, founded in 1940, serving grades 7-9 and upper secondary students across four specialization tracks (General, Society & Economics, Science & Technology, English Stream) with university and industry partnerships.

Ownership category

akta.pro rank

Product category

Secondary Education

NAICS

Elementary and Secondary Schools (611110), Elementary and Secondary Schools (6111)

SIC

Services-Educational Services (8200)

akta.pro primary industry

International/Global Curriculum Schools (IB, Cambridge, etc.) (EDAJABAG)

akta.pro secondary industry

After-School Academic Support Programs (Centers & Clubs) (EDAJALAM)

Keywords

• Secondary education
• Bilingual education
• STEAM education
• Matriculation preparation
• International school

Headquarters

HQ city

Helsinki

HQ country

Finland

HQ region

Europe

Offices1 record

Markets served

GTM type

B2C

Offering type

Services

Cost components

Personnel, Operations, Technology or R&D, Infrastructure, Marketing or Sales

Distribution channels1 record

Marketing channels6 records

Core offering

Kulosaaren yhteiskoulu is a private Finnish secondary school offering comprehensive education from grades 7 through 9 (middle school) and upper secondary school (lukio), with instruction available in Finnish and English. The upper secondary program is organized into four specialization tracks: Yleislinja (General), Yhteiskunta- ja talouslinja (Society and Economics), Tiede- ja teknologialinja (Science and Technology), and Englanninkielinen linja (English Stream), preparing students for the Finnish matriculation examination (ylioppilastutkinto). The school complements academic instruction with extensive extracurricular offerings including the KSYK Sports Team, KSYK STEAM Lab, Makerspace, and the HELIMUN Model United Nations conference.

Product overview

Kulosaaren yhteiskoulu (KSYK) is a Finnish international school offering comprehensive education from grades 7-9 through upper secondary (lukio). The institution operates as a single unified educational provider with four distinct specialization tracks in its upper secondary program: Yleislinja (General), Yhteiskunta- ja talouslinja (Society and Economics), Tiede- ja teknologialinja (Science and Technology), and Englanninkielinen linja (English Stream). Beyond core academic instruction, KSYK provides extensive extracurricular offerings including the KSYK Sports Team, KSYK STEAM LAB maker space, and the HELIMUN Model United Nations program. The school emphasizes internationalization, bilingual education, and practical skill development through partnerships with universities (Aalto, Helsinki, Turku) and businesses (Nordea, Google, Nokia, Planmeca, Thermo Fisher Scientific).

Differentiator

Problem solved

Functional benefit

Brands

• International KSYK: The school's international division offering English-language education for middle school and upper secondary students.

Products and services

• Peruskoulun luokat 7-9 (Middle School Grades 7-9)
• Lukio (Upper Secondary School)
• Yhteiskunta- ja talouslinja (Society and Economics Line)
• Tiede- ja teknologialinja (Science and Technology Line)
• Englanninkielinen linja (English Stream)
• KSYK Sports Team
• HELIMUN (Helsinki Model United Nations)

Quantifiable outcome

• 179 students graduated as ylioppilas in spring 2026
• +1 more outcomes

Segments3 records

Ideal customer profiles3 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Integration6 records

AI capability4 records

Feature3 records

Partnerships

18 partnerships are on record, tiered core and minor.

• Life Terra FoundationcoreStrategic or Co-development Partner · 9 May 2026International environmental foundation partnered with KSYK for a major tree planting initiative. On May 9, 2025, the school and Life Terra planted 60 new trees and 75 bushes on the school grounds as part of an environmental sustainability project.
• University of TurkucoreStrategic or Co-development Partner · 1 January 2026Annual collaboration since 2019 between University of Turku and KSYK for environmental research courses. Students conduct hands-on research including water sampling and lab work at Tvärminne Zoological Station.
• University of HelsinkicoreStrategic or Co-development PartnerPartnership for environmental research courses and science education. Students participate in university-led research activities and visit Kumpulan campus for mathematics and computer science programs.
• Aalto UniversitycoreStrategic or Co-development PartnerScience and Technology stream students visit Aalto University for advanced studies in mathematics, physics, and technology. Partnership includes AI Galleria workshops, campus visits, and university preparation courses.
• NokiaminorStrategic or Co-development PartnerProgramming and mathematics course students visited Nokia headquarters and data center in Espoo. Students learned about network infrastructure, drones, and received insights on technology patents generating significant annual revenue.
• NordeaminorStrategic or Co-development PartnerSociety and Economics stream students visit Nordea for investment and finance workshops. Students learn about fund investing, diversification, and banking services.
• United BankersminorStrategic or Co-development PartnerFinance and investment course students receive lectures from United Bankers wealth management professionals on investment principles and portfolio management.
• Google Finland (Antti Järvinen, Country Manager)minorStrategic or Co-development PartnerMarketing and product development students received lecture from Google's Finland Country Manager on business logic, branding, and AI future opportunities.
• PlanmecaminorStrategic or Co-development PartnerPhysics students visited Planmeca headquarters to learn about dental technology innovations including cone beam CT scanning and 2D/3D X-ray equipment principles.
• Thermo Fisher ScientificminorStrategic or Co-development PartnerScience and Technology stream students visited Thermo Fisher Scientific's Vantaa facility as part of the MyTech program organized by Technology Industry Association (Teknologiateollisuus).
• EficodeminorStrategic or Co-development PartnerSoftware company with over 70 million EUR revenue and 400+ employees internationally provides programming course (Koodi101) teaching modern software development practices.
• ClevryminorStrategic or Co-development PartnerStaffing services company has mentored KSYK Society and Economics stream students in career readiness skills for 10 years, including job application and interview training.
• Adventure ClubminorStrategic or Co-development PartnerService design company collaborated on coding course where students designed mobile applications with professional guidance, implementing products like Hobby Hopper and Päivän Säde.
• Berner OyminorStrategic or Co-development PartnerDiversified company collaborated on marketing and business cooperation projects with students, including branding challenges and corporate collaboration courses.
• ValiominorStrategic or Co-development PartnerStudents participated in Valio's ProFeel hackathon developing snack product solutions and marketing concepts in collaboration with Kauniaisten lukio.
• PatriaminorStrategic or Co-development PartnerBusiness economics and national defense students visited Patria headquarters to learn about defense systems and business connections to European security situation.
• Munkkiniemen yhteiskoulu (MYK)minorStrategic or Co-development PartnerCollaborating school partner on Model European Parliament conferences and joint events including security policy lectures with President Niinistö.
• Kauniaisten lukiominorStrategic or Co-development PartnerCollaborating upper secondary school on Model European Parliament conferences and joint hackathons including forest industry innovation competition.

Scale indicators2 records

Recent moves6 records

Expansion highlights4 records

Direct peers

• Ressun lukio: Centrally located Helsinki lukio with a long history and broad academic track offerings, competing with KSYK for the same cohort of university-bound Finnish upper secondary students.
• Viherlaakson lukio: Espoo-based Finnish upper secondary school with multiple specialization tracks, competing with KSYK for students in the greater Helsinki metro area pursuing the Finnish matriculation exam.
• Munkkiniemen yhteiskoulu (MYK): Helsinki-area Finnish secondary school explicitly listed as a KSYK collaboration partner on Model European Parliament and joint events; offers a comparable lukio and yläaste structure with similar international activities.
• Etu-Töölön lukio: Helsinki city center lukio with specialization tracks in sciences and humanities, drawing from a similar urban applicant pool into the Finnish matriculation pathway.
• Brändö gymnasium (Brändö lukio): Helsinki-area Swedish-medium and bilingual lukio preparing students for the Finnish matriculation exam, comparable in scale and pathway to KSYK's lukio offerings.
• International School of Helsinki: Private international school in Helsinki offering an internationally-focused curriculum for both lower and upper secondary, competing with KSYK's English Stream and bilingual tracks for internationally-oriented families.
• Helsingin yhteiskoulu (HYK): Long-established Finnish-language and bilingual upper secondary school in Helsinki, offering comparable lukio tracks and serving a similar urban, internationally-oriented student population.
• Kauniaisten lukio: Neighboring Finnish upper secondary school that collaborates with KSYK on joint hackathons and Model European Parliament programs, serving overlapping bilingual and internationally-oriented families in the Helsinki metro area.

Regional players

• Deutsche Schule Helsinki: Helsinki-based international school delivering German-language and bilingual secondary education; competes with KSYK for international families seeking non-Finnish-medium secondary pathways in the same metro area.
• Lycée Franco-Finlandais d'Helsinki: French-Finnish bilingual secondary school in Helsinki offering the French Baccalauréat alongside Finnish matriculation, competing with KSYK's English Stream for international families seeking a foreign-medium pathway.

Market position

Strengths4 records

Weaknesses4 records

Competitive moat4 records

Key risks5 records

Key highlights6 records

Customer concentration

• YouTubeyoutube.com/@Kulosaarenyhteiskoulu
• Facebookfacebook.com/ksykoulu
• Instagraminstagram.com/ksyk1940
• LinkedInlinkedin.com/company/kulosaaren-yhteiskoulu

Compliance2 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles5 records

Funding overview

Funding rounds

Investors

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M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Kulosaaren yhteiskoulu