SBO Zonnesteen

What SBO Zonnesteen does

SBO Zonnesteen is a publicly funded Dutch special primary education school (speciaal basisonderwijs, SBO) located at Generaal Smutslaan 11 in Tilburg, Netherlands. It serves approximately 160 students aged 4 to 14 who require smaller class settings, differentiated instruction, and individualized support because regular primary education is (temporarily) no longer suitable for them. Students are organized into 10 groups across lower, middle, and upper sections and are supported by approximately 30 dedicated staff members, including an adjunct-director (Yvonne Koppelmans) and two quality coordinators. The school also operates Zandkasteel, a school-preparation group for young learners transitioning into special primary education.

SBO Zonnesteen operates as one of nine schools within the Stichting Biezonderwijs foundation, which collectively serves more than 1,900 students aged 4 to 20 with about 600 professionals across special education (SO), special primary education (SBO), secondary special education (VSO), and practical education tracks. The foundation also operates De Kracht, an in-house expertise center providing training, coaching, diagnostics, and research for children with learning and developmental problems. SBO Zonnesteen is part of the Plein013 regional consortium, which issues the mandatory Toelaatbaarheidsverklaring (TLV) admission certificate required for special education placement.

The business model is government-funded Dutch primary special education: the school receives DUO allocations tied to enrolled student count, and no tuition fees are charged to parents. Revenue mechanics are therefore subscription-like recurring public funding rather than commercial pricing. There is no proprietary technology platform; operations rely on standard digital administrative and student-tracking systems for grades, attendance, and progress monitoring. Go-to-market is effectively regulated admissions via Plein013, with awareness driven by the Biezonderwijs parent organization's social media (Instagram, Facebook, LinkedIn), a downloadable school guide, vacancy listings, and parent referrals from regular primary schools in the Tilburg region.

Name

SBO Zonnesteen

Legal name

SBO Zonnesteen

Website

https://sbozonnesteen.nl

Company type

Private

Operating status

Operating

Headcount range

11–50 employees

Short description

SBO Zonnesteen is a publicly funded Dutch special primary education school in Tilburg, serving approximately 160 students aged 4-14 who need individualized support. It operates within the Biezonderwijs foundation network of 9 schools.

Ownership category

akta.pro rank

Product category

Special Primary Education

NAICS

Elementary and Secondary Schools (611110), Educational Support Services (611710)

SIC

Services-Educational Services (8200)

akta.pro primary industry

Behavioral Intervention & PBIS Supports (Tiered, Gen Ed) (EDAJAGAL)

akta.pro secondary industries

Literacy & Numeracy Intervention (Reading/Math Support) (EDAJALAD), K–12 Remedial Math & Numeracy Intervention (EDANAJAB)

Keywords

• Special primary education
• Special needs schooling
• Government-funded education
• School preparation programs
• Differentiated classroom instruction

Headquarters

HQ city

Tilburg

HQ country

Netherlands

HQ region

Europe

Offices1 record

Markets served

GTM type

B2C

Offering type

Services

Cost components

Personnel, Operations, Infrastructure, Others

Revenue model

1. Government-funded education: As a public special primary education school under Biezonderwijs foundation, SBO Zonnesteen is government-funded through the Dutch education system. No direct tuition fees are charged to parents.

Go-to-market motion1 record

Distribution channels1 record

Marketing channels4 records

Core offering

SBO Zonnesteen provides government-funded special primary education (speciaal basisonderwijs) to approximately 160 children aged 4-14 in Tilburg who cannot thrive in regular primary education due to learning, developmental, or behavioral challenges. Instruction is delivered in small groups across 10 classes with strong differentiation and individualized support, supplemented by a school preparation program called Zandkasteel for younger learners entering the school.

Product overview

SBO Zonnesteen is a special primary education school and is part of the Biezonderwijs foundation, which operates 9 schools for students aged 4-20. The school serves approximately 160 students across 10 groups, offering tailored education for children for whom regular primary education is (temporarily) no longer suitable. The core offering consists of special primary education (SBO) with a school preparation program called Zandkasteel. The school operates within the Plein013 educational partnership and provides educational support documented through its School Support Profile (SOP).

Differentiator

Problem solved

Functional benefit

Quantifiable outcome

• Students develop into strong individuals who know their strengths and areas for improvement
• +1 more outcomes

Segments1 record

Ideal customer profiles1 record

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Partnerships

Five partnerships are on record, tiered core and minor.

• Plein013coreStrategic or Co-development PartnerSamenwerkingsverband (consortium) for special education in the region. They issue Toelaatbaarheidsverklaring (TLV) certificates required for admission to special education schools including SBO Zonnesteen. The consortium is responsible for ensuring students receive appropriate support.
• SBO NoorderlichtminorStrategic or Co-development PartnerAnother special primary education school in Tilburg. Zonnesteen collaborates with Noorderlicht on various educational initiatives and sharing of expertise.
• SBO WesterwelminorStrategic or Co-development PartnerSpecial primary education school in Tilburg with which Zonnesteen cooperates and collaborates on educational matters.
• De KrachtcoreImplementation/ SI/ Consulting PartnerExpertise center of Biezonderwijs providing training, coaching, guidance, and advice to educational staff and students. Also conducts research and diagnostics for children with learning and developmental problems. Services are free for Biezonderwijs staff through the Biezonderwijs Academy.
• VertrouwenswerkminorImplementation/ SI/ Consulting PartnerExternal confidential advisors contracted by Biezonderwijs for support in cases of abuse of power and providing advice and professional support after reports of impactful events or (sexual) boundary-crossing behavior at school. Contact persons: Annelies Spitz and Maarten van de Laarschot.

Scale indicators6 records

Recent moves5 records

Broad incumbents

• Koninklijke Kentalis: Large Dutch special education organisation providing SO/SBO and expertise services for children with hearing, communication, and language needs. It is a broader incumbent in the Dutch special education space with overlap in regulatory framework, funding model, and target population, though focused on a different primary specialisation than Zonnesteen.

Direct peers

• SBO Noorderlicht: Another special primary education (SBO) school in Tilburg operated by Biezonderwijs and explicitly named as a collaborator of SBO Zonnesteen. It serves the same TLV-referred student population in the same catchment, making it the closest direct peer in product, customer base, and business model.
• SBO Westerwel: Sister SBO school in Tilburg within the Biezonderwijs foundation that collaborates with SBO Zonnesteen on educational matters. It competes for the same TLV-referred students and shares the same funding model and regulatory framework.

Others

• Stichting Biezonderwijs: Parent foundation of SBO Zonnesteen, operating 9 schools (SO, SBO, VSO, Praktijkonderwijs) for ~1,900 students aged 4-20 with ~600 staff. It is the umbrella entity rather than a competitor, but its structure and strategy directly shape Zonnesteen's operations and growth path.
• De Kracht (Biezonderwijs Expertise Center): Internal expertise center of Biezonderwijs providing training, coaching, diagnostics, and research for staff and students. It is not a peer school but an adjacent capability that materially influences SBO Zonnesteen's service quality and differentiation.
• Samenwerkingsverband Plein013: Regional collaborative partnership (samenwerkingsverband) that issues the Toelaatbaarheidsverklaring (TLV) required for admission to SBO Zonnesteen and other special schools in the region. It is not a school but an upstream gatekeeper that controls the school's referral pipeline.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat3 records

Key risks7 records

Key highlights7 records

Customer concentration

• Facebookfacebook.com/Biezonderwijs
• LinkedInlinkedin.com/company/sbo-zonnesteen
• Instagraminstagram.com/biezonderwijs

Revenue estimate

Valuation estimate

Number of profiles

Profiles11 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 SBO Zonnesteen