ISW (Interconfessionele Scholengroep Westland)

What ISW (Interconfessionele Scholengroep Westland) does

ISW (Interconfessionele Scholengroep Westland) is a Dutch secondary education school group operating 6 locations across Naaldwijk, 's-Gravenzande, and Poeldijk in the Westland region of Zuid-Holland, Netherlands. Founded on August 1, 1995 from the merger of 7 Catholic, Protestant-Christian, and inter-confessional secondary schools, ISW serves approximately 4,700 students with ~600 staff across the full Dutch secondary education spectrum — from praktijkonderwijs (practical education) and vmbo (preparatory vocational) through mavo, havo, atheneum, and gymnasium. The group is part of Stichting Lucas Onderwijs. Each location maintains its own identity and curricular focus: ISW Westland Praktijkcollege (practical education), ISW Westland Vakcollege (vmbo), ISW Irenestraat (mavo), ISW Sweelincklaan (Montessori stream for mavo/havo/vwo), ISW Hoogeland (vwo with vwoMAX, Technasium, Cambridge English), and ISW Gasthuislaan (havo/atheneum/gymnasium with Topsport and Masterclass Gymnasium).

ISW's core technology stack is operational rather than productized: Magister for student information management, WISCollect for parental fee collection, Microsoft 365 for staff/student identity, and Google Analytics for website reporting. The proprietary/capability layer is embodied in Technotheek Westland — a STOHA-subsidized technology and innovation center spanning three campuses that delivers workshops in drones, LEGO programming, care robots, podcasting, and digital skills — and ISW Onderneemt, the business-education connector linking students with regional Westland employers through company visits, case studies, and guest lectures.

The business model is government-funded: the majority of operating revenue flows from Dutch central government Bekostiging (lump-sum per-student funding), supplemented by small voluntary parent contributions (vrijwillige ouderbijdrage) for excursions and work weeks, and modest parent-purchased items such as ISW-branded sport clothing (€24.99–€49.99) and personal learning items. The go-to-market is direct-to-consumer: enrollment is managed centrally via a digital enrollment form during a designated week (25-31 March), with placement decisions communicated in May, supported by open house events, orientation days for group 8 students, and parent information evenings. Strategic positioning is regionally defensive — guaranteed placement for Westland and Hoek van Holland students — with growth expressed through infrastructure (Vakcollege+ at Flora Campus Westland, 2028-2029) and partnership expansion rather than market expansion.

Name

ISW (Interconfessionele Scholengroep Westland)

Legal name

Interconfessionele Scholengroep Westland

Website

https://isw.nl

Company type

Private

Founded year

1995

Operating status

Operating

Headcount range

251–500 employees

Short description

ISW (Interconfessionele Scholengroep Westland) is a Dutch secondary education school group operating 6 campuses across Naaldwijk, 's-Gravenzande, and Poeldijk, serving approximately 4,700 students from praktijkonderwijs through gymnasium under government funding.

Ownership category

akta.pro rank

Headquarters

HQ city

Naaldwijk

HQ country

Netherlands

HQ region

Europe

Offices7 records

Markets served

GTM type

B2C

Offering type

Services

Cost components

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

Revenue model

1. Government Funding: The majority of ISW's education is funded by the Dutch government (Rijksoverheid). Teaching materials, textbooks, workbooks, exam preparations, and digital learning licenses are financed through government Bekostiging.
2. Voluntary Parent Contribution: A voluntary parent contribution (vrijwillige ouderbijdrage) covers extra activities not funded by government, such as trips, excursions, work weeks, and celebrations. Contribution is voluntary and non-payment does not exclude students.
3. Parent-Purchased Items: Parents purchase personal items for their children including atlases, dictionaries, calculators, sports clothing with ISW branding (e.g., sport shirt at €24.99, set of shirt+shorts at €29.99), and agenda/stationery.

Pricing tiers

Go-to-market motion1 record

Distribution channels3 records

Marketing channels6 records

Core offering

ISW (Interconfessionele Scholengroep Westland) is a secondary education school group operating six school locations across Naaldwijk, 's-Gravenzande, and Poeldijk in the Netherlands. It delivers government-funded secondary education spanning all levels from praktijkonderwijs through vmbo, mavo, havo, vwo atheneum, and gymnasium to approximately 4,700 students, supported by specialized programs such as Montessori, Technasium, vwoMAX, Cambridge English, and Topsport.

Product overview

ISW (Interconfessionele Scholengroep Westland) is a secondary education school group operating 6 school locations across Naaldwijk, 's-Gravenzande, and Poeldijk in the Netherlands. The portfolio includes ISW Westland Praktijkcollege (practical education), ISW Westland Vakcollege (VMBO vocational), ISW Irenestraat (MAVO), ISW Sweelincklaan (Montessori for MAVO/HAVO/VWO), ISW Hoogeland (VWO), and ISW Gasthuislaan (HAVO/Atheneum/Gymnasium). The organization also offers supplementary programs including Technotheek Westland for technology workshops, ISW Onderneemt for business-education connections, and specialized tracks like vwoMAX, Plusprogramma, Cambridge Engels, and Technasium. Students are supported through Magister for academic tracking and WISCollect for fee management.

Differentiator

Problem solved

Functional benefit

Brands

• Technotheek Westland: Innovation, technology and technology center established on 3 ISW locations (Hoogeland, Westland Vakcollege, and Westland Praktijkcollege) where students learn about drones, LEGO programming, care robots, podcasts, and digital skills.
• ISW Onderneemt

Quantifiable outcome

• Examination pass rates of 83.1%-99.1% across all levels in 2025, with vmbo-bl at 93.4%, vmbo-kl at 96.5%, mavo at 94.2%, havo at 85%, and vwo at 83.1%
• +1 more outcomes

Named customers2 records

Segments3 records

Ideal customer profiles2 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Integration10 records

Feature2 records

Partnerships

Eight partnerships are on record, tiered core and minor.

• STOHA (Sterk Techniekonderwijs Haaglanden)coreStrategic or Co-development PartnerSTOHA provides subsidy funding enabling Technotheek Westland, a technology and innovation center at three ISW locations. The program involves 30+ secondary schools and numerous regional businesses in the Den Haag, Westland, Rijswijk, Leidschendam/Voorburg, and Delft area, promoting collaboration between technical education, primary schools, and businesses.
• Gemeente Westland (Municipality of Westland)coreStrategic or Co-development PartnerISW maintains structural collaboration with the Municipality of Westland on housing matters, education policy, and youth welfare. The municipality and ISW work together on the Integral Housing Plan (IHP) for educational facilities 2024-2039, including the Vakcollege+ project at Flora Campus Westland and the multi-functional De Expeditie building in Poeldijk.
• Samenwerkingsverband VO WestlandcoreStrategic or Co-development PartnerAll secondary schools and special secondary schools in Westland collaborate within the Samenwerkingsverband VO Westland. This partnership ensures coordinated basic support, extra support, and in-depth support across the region. ISW is an active member ensuring appropriate educational placement for all students.
• Lucas OnderwijscoreStrategic or Co-development PartnerISW is part of Stichting Lucas Onderwijs, an educational foundation covering multiple primary and secondary schools. ISW is part of the Westland & Den Haag Zuidwest region alongside Wateringse Veld College and Zuid-West College. Lucas Onderwijs provides governance, policy frameworks including integrity and privacy policy, and supports school development.
• Westland BusinessesminorStrategic or Co-development PartnerRegional Westland businesses collaborate with ISW's Technotheek and ISW Onderneemt initiative, providing case studies, guest lectures, company visits, and input for student projects. Businesses benefit by connecting with future potential employees and contributing to relevant technical education.
• Opleidingsschool Delflanden WestlandminorStrategic or Co-development PartnerISW participates in the Opleidingsschool Delflanden Westland for training future teachers, in collaboration with Hogeschool Rotterdam and Universiteit Leiden. The school offers both aspiring and current teachers professional development and deepening in their subjects.
• Koppert CressminorStrategic or Co-development PartnerKoppert Cress hosted a company visit for ISW Irenestraat mavo students focusing on sustainability topics aligned with geography curriculum. Students received a tour of production facilities and greenhouses, learning about sustainable cultivation of 80+ cress varieties.
• Wateringse Veld College and Zuid-West CollegeminorStrategic or Co-development PartnerThese schools form part of the same regional group under Lucas Onderwijs alongside ISW, within the Westland & Den Haag Zuidwest region. The regional director leads all three school groups.

Scale indicators7 records

Recent moves11 records

Expansion highlights5 records

Direct peers

• Melanchthon Scholen: Melanchthon Scholen is a Protestant Christian secondary school group with locations in the Westland and greater Rotterdam region. It is a direct peer because it competes for the same Christian-school-oriented families in overlapping municipalities and operates a similar multi-location secondary model.
• Zuid-West College: Zuid-West College is a secondary school in Den Haag Zuidwest, also part of Lucas Onderwijs alongside ISW. It is a direct peer because it shares foundation-level governance and serves the same regional student demographic under a common executive structure.
• Haags Montessori Lyceum: Haags Montessori Lyceum is a Montessori secondary school in Den Haag. It is a direct peer because it offers the same Montessori pedagogy at secondary level that ISW delivers at ISW Sweelincklaan, serving the same regional pool of families seeking Montessori secondary education.
• Stanislascollege: Stanislascollege is a multi-location Catholic secondary school group in the Delft/Westland region. It is a direct peer because it operates a comparable multi-campus secondary school model with a similar confessional educational identity in the same geographic market.
• Wateringse Veld College: Wateringse Veld College is a secondary school in Den Haag/Wateringen that, like ISW, operates under Stichting Lucas Onderwijs in the Westland & Den Haag Zuidwest region. It is the most direct structural peer because both schools share the same foundation governance, regional director, and catchment dynamics.
• Christelijk Lyceum Delft: Christelijk Lyceum Delft is a Protestant secondary school in nearby Delft. It is a direct peer because it competes for the same Christian-school demographic in the Westland/Delft corridor and offers a comparable comprehensive secondary curriculum at havo/vwo level.

Broad incumbents

• CVO Groep: CVO Groep is one of the largest Dutch Christian secondary school foundations operating multiple schools nationally. It is a broad incumbent peer because it operates the same Dutch Christian secondary school model at significantly greater scale across overlapping regions.
• Stichting Carmelcollege: Stichting Carmelcollege is one of the largest Catholic secondary school foundations in the Netherlands, operating numerous secondary schools nationwide. It is a broad incumbent peer because it shares ISW's Catholic confessional identity and operates a comparable multi-campus governance model at much greater scale.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks6 records

Key highlights7 records

Customer concentration

• LinkedInlinkedin.com/school/isw-scholengroep-westland

Revenue estimate

Valuation estimate

Number of profiles

Profiles8 records

Subsidiaries6 records

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

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

Frequently asked questions about ISW (Interconfessionele Scholengroep Westland)