HELINIUM

What HELINIUM does

HELINIUM is a Dutch secondary school (voortgezet onderwijs) located in Hellevoetsluis, Netherlands, and operates as part of the Onderwijsgroep Galilei educational group. It serves local students with a comprehensive curriculum spanning vmbo basis/kader, mavo, havo, and vwo tracks. The school employs a distinctive two-year "groeiklassen" (growth class) structure in the lower secondary years, designed to support differentiated learning and student development before streaming into specific educational tracks.

The institution differentiates itself through specialized programs including Technasium (STEM-focused learning), Cambridge Stream (English-language international curriculum), ISK (Internationale Schakelklas for international students), and Talenturen (talent hours for gifted learners). As a government-funded public school ("openbaar onderwijs"), HELINIUM operates under state per-student funding allocated through Onderwijsgroep Galilei, with no tuition charged to families. It is a member of the RPO Rijnmond teacher training partnership, supporting its educator recruitment pipeline.

HELINIUM's business model is non-commercial and publicly funded, with revenue mechanics tied to Dutch secondary education funding formulas rather than market pricing. The school's core values are Aandacht (Attention), Doen (Doing), and Groeien (Growing), reflecting a focus on individualized attention, experiential learning, and student development. Its digital presence consists of a website and Instagram account, and named staff include Sjoerd Hoekstra (Schoolopleider), D. Hempenius (Remedial Teacher), and Aurora van der Kooij (Teacher).

Name

HELINIUM

Legal name

Helinium

Website

https://helinium.nl

Company type

Private

Operating status

Operating

Headcount range

101–250 employees

Short description

HELINIUM is a Dutch public secondary school in Hellevoetsluis, Netherlands, serving local students with vmbo, mavo, havo, and vwo programs through a two-year growth class system and specialized offerings including Technasium and Cambridge Stream.

Ownership category

akta.pro rank

Headquarters

HQ city

Hellevoetsluis

HQ country

Netherlands

HQ region

Europe

Offices1 record

Markets served

GTM type

B2C

Offering type

Services

Cost components

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

Distribution channels1 record

Marketing channels3 records

Core offering

HELINIUM is a Dutch public secondary school (openbare school) in Hellevoetsluis that delivers full secondary education from vmbo basis/kader through mavo, havo, and vwo. Its defining feature is the two-year Groeiklassen (Growth Classes) system, which combines adjacent educational levels so students can explore their optimal academic level before specializing. The school also runs specialized tracks including Technasium (O&O), Cambridge Stream, ISK for international newcomers, and weekly Talenturen enrichment, supported by an internal student support team.

Product overview

HELINIUM is a Dutch secondary school (vmbo to vwo) located in Hellevoetsluis, part of Onderwijsgroep Galilei. The school operates two buildings: a Technical Pavilion for vmbo students and a white building for mavo/havo/vwo students. Its core educational offering spans four levels (vmbo basis/kader, mavo, havo, vwo) unified under a 'groeiklassen' system giving students two years to find their optimal level. The portfolio includes specialized programs like Technasium (STEM), Cambridge Stream (international English), and an International Transition Class (ISK). All students benefit from weekly 'talenturen' for enrichment, while those needing support access the Internal Support Team. The school maintains teacher training partnerships via RPO Rijnmond and employs open 'leerpleinen' learning spaces. A dedicated bridge-class wing provides a smooth transition from primary to secondary school.

Differentiator

Problem solved

Functional benefit

Products and services

• vmbo basis/kader program Dutch pre-vocational secondary education at vmbo basis and kader levels, intended for students typically aged 12-16, leading to MBO (vocational) further education. Includes technology and care subjects and is taught at the school's Technisch Paviljoen.
• mavo program Dutch intermediate general secondary education (mavo), intended for students aged 12-16, preparing them for MBO (intermediate vocational education).
• havo program Dutch higher general secondary education (havo), intended for students aged 12-17, preparing them for HBO (higher professional education).
• vwo program Dutch pre-university secondary education (vwo), intended for students aged 12-18, preparing them for university study (WO).
• Groeiklassen (Growth Classes) A two-year transition program that combines two adjacent educational levels, allowing students time to discover which academic level best suits them before specializing. Intended for first- and second-year secondary students at Helinium.
• Technasium (O&O) A specialized STEM program (Onderzoek & Ontwerpen) where students work on real-world technological and research challenges, intended for students seeking a technology-focused secondary education pathway.
• Cambridge Stream An international English-language program offering Cambridge qualifications as part of the curriculum, intended for students seeking an internationally oriented secondary education pathway.
• Internationale Schakelklas (ISK) A specialized transition class for international students who require Dutch language support and cultural integration before entering mainstream secondary education. Intended for newly arrived non-Dutch-speaking students in the Hellevoetsluis region.

Segments1 record

Ideal customer profiles1 record

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature1 record

Partnerships

Five partnerships are on record, tiered core.

• RPO Rijnmond (Regionaal Platform Opleiden Rijnmond)coreStrategic or Co-development PartnerHELINIUM is a proud partner of Opleidingsschool RPO Rijnmond, collaborating with three teacher training institutions (Hogeschool Rotterdam, ICLON Leiden, and SEC Delft) and 65 vo- and mbo-schools in the region. The partnership supports student teacher placements, first and second-degree teacher qualifications, and professional development for experienced teachers and school leaders. Approximately 700 students are guided annually within this partnership.
• Hogeschool RotterdamcoreStrategic or Co-development PartnerOne of three teacher training institutions partnered with HELINIUM through RPO Rijnmond for first and second-degree teacher qualifications. Provides student teachers for workplace learning.
• ICLON LeidencoreStrategic or Co-development PartnerTeacher training institution partnered through RPO Rijnmond, providing first-degree teacher education candidates for HELINIUM's workplace learning program.
• SEC DelftcoreStrategic or Co-development PartnerTeacher training institution partnered through RPO Rijnmond, providing first-degree teacher education candidates for HELINIUM's workplace learning program.
• Onderwijsgroep GalileicoreOthersHELINIUM is part of Onderwijsgroep Galilei, an educational group. The group provides shared policies, social media protocols, and complaint procedures across member schools. HELINIUM operates under the values of openbaar onderwijs (public education) with freedom, responsibility, and equality.

Recent moves4 records

Expansion highlights3 records

Others

• Technasium: National network of Dutch secondary schools offering the O&O (Onderzoek & Ontwerpen) STEM curriculum. Comparable as the curriculum network Helinium participates in for its Technasium offering, sharing program standards and best practices with peer schools.
• Cambridge International Education: Global curriculum and qualifications provider whose Cambridge Stream Helinium offers. Comparable as the international curriculum framework underpinning Helinium's English-language program, linking it to a worldwide network of Cambridge schools.
• RPO Rijnmond: Regional teacher training partnership connecting 65 vo- and mbo-schools with three teacher training institutions in the Rijnmond region. Comparable as a strategic network partner that materially supports Helinium's teacher pipeline and professional development.
• Hogeschool Rotterdam: Dutch university of applied sciences and one of three teacher training institutions partnered with Helinium via RPO Rijnmond. Comparable as a strategic upstream partner supplying student teachers and continuous professional development.

Broad incumbents

• Stichting Carmelcollege: One of the largest Dutch secondary school groups, operating numerous vmbo-havo-vwo schools across the Netherlands. Comparable as a large multi-school operator in the Dutch secondary education market, providing scale and portfolio benchmarking versus Helinium's single-site model.
• Dunamys Onderwijsgroep: Dutch educational organization operating multiple secondary schools with comparable public funding structure. Comparable as a peer operator of Dutch voortgezet onderwijs schools with similar curriculum breadth.
• Onderwijsgroep Galilei: Helinium's parent educational group, providing shared policies, social media protocols, and complaint procedures across member schools. Comparable as the broader umbrella organization under which Helinium operates, with multiple secondary schools in the regional Dutch market.
• NUOVO Scholengroep: Dutch secondary school group operating multiple voortgezet onderwijs locations in Limburg. Comparable as a multi-site operator offering similar vmbo-mavo-havo-vwo tracks under the Dutch public education funding model.

Market position

Strengths4 records

Weaknesses4 records

Competitive moat3 records

Key risks5 records

Key highlights6 records

Customer concentration

• Instagraminstagram.com/heliniumsg

Revenue estimate

Valuation estimate

Number of profiles

Profiles3 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 HELINIUM