The verdict in three sentences
A per-student school SaaS (EUR 4 to 10 per student per year) stays the rational choice under 400 students or when your processes are standard. Above that, or when your fees, instalment plans and reports follow their own logic, custom software (EUR 60,000 to 160,000 one-off) pays back in 4 to 6 years and kills the per-head tax. The real gain isn't the licence: it's the paperless enrolment campaign and automated arrears reminders that free up your office staff.
What school software costs in 2026
Two models compete: the per-student subscription, predictable but growing with enrolment, and the one-off investment amortised over the tool's life (7 to 10 years in practice).
| Item | Per-student SaaS | Custom Kolonell |
|---|---|---|
| Pricing model | EUR 4 to 10/student/year | EUR 60k to 160k one-off |
| 600-student school (yr 1) | EUR 2,400 to 6,000 | EUR 60k to 160k |
| Recurring cost | Rises every intake | Maintenance 15%/yr: EUR 9k-24k |
| Report customisation | Fixed templates | Unlimited |
| Data ownership | Vendor | School |
| GDPR hosting | Varies | EU (OVH), signed DPA |
| 8-year cost (600 st.) | EUR 19k to 48k + rises | EUR 132k to 320k |
Under 600 students, SaaS almost always wins on gross cost. Custom is justified by a specific business need (multi-campus, atypical billing, accounting integration) more than by price alone.
What the functional scope covers
| Module | 2026 detail | Impact |
|---|---|---|
| Online enrolment | Form + attachments + deposit payment | -50% manual data entry |
| Fee billing | Instalments, SEPA direct debit, credit notes | Reliable collection |
| Grades and reports | Teacher input, class councils, PDF | Reports in 1 day vs 1 week |
| Parent portal | Absences, invoices, documents, messaging | -30% calls to the office |
| Arrears reminders | Auto email/SMS at D+7, D+15, D+30 | Lower payment delay |
| GDPR | EU hosting, register, consents | Full compliance |
A custom project's cost depends mostly on how many modules are actually built: a school needing only enrolment + billing + reports stays around EUR 60-80k; the top of the range (160k) is a multi-campus group with a native parent app.
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Mini case study
Catherine runs a 620-student private school. Her secretary spends about 3 weeks a year on the paper enrolment campaign and 6 to 8 hours a week chasing arrears. Custom software at EUR 85,000 + EUR 13k annual maintenance digitises enrolment (-50% data entry) and automates reminders. 2026 estimate: 1.5 admin FTE partly freed, roughly EUR 18,000/year of workload redeployed, plus a drop in arrears across 620 students that improves start-of-year cash flow. The investment pays back in about 5 years versus a EUR 6/student SaaS whose bill climbs with every enrolment rise.
FAQ
What's a realistic entry cost for a 300-600 student school? In SaaS, budget EUR 1,200 to 6,000/year depending on enrolment and modules. In custom, an enrolment + billing + reports core starts around EUR 60,000.
Are SEPA direct debits for fees included? Yes, integrating a SEPA provider (mandates, instalments, rejects) is part of the billing module. The per-debit cost (2026 order of magnitude: EUR 0.20 to 0.35) is billed by the banking provider.
Is student data GDPR compliant? In custom, we host in the EU (OVH), sign a DPA, keep the processing register and manage parental consents. Data stays the school's property.
How long to deliver? A functional core ships in 3 to 5 months depending on module count. A full enrolment campaign is ready for the next intake if the project starts before January.
Can we migrate from an existing SaaS? Yes, migrating students, families, grade history and billing balances is scoped at project start. Budget a dedicated migration workstream in the quote.
Let's scope your project. Give us your enrolment, priority modules (enrolment, SEPA billing, reports, parent portal) and indicative budget: we price SaaS vs custom side by side. Detailed quote within 48 h. WhatsApp +221 77 596 93 33.
Mohamed Bah
Fondateur, Kolonell
Passionate about digital and entrepreneurship in Africa, Mohamed has been helping Sénégalese businesses with their digital transformation since 2020. Founder of Kolonell, he believes every SME deserves a professional and accessible online présence.