True Annual Cost · Dusseldorf - Cologne - Bonn
True annual cost of international schools in Dusseldorf - Cologne - Bonn
Updated 2026-04-26 · 3 schools with full cost data · 7 schools indexed
Pin a tuition ceiling and your kids' ages — the case ranks these by true cost AND fit.
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True-cost dataset · Source: Official international-school fee schedules + IBO, COBIS & CIS accreditation registries · Source review pending · last checked Apr 27, 2026 · Verify fees, admissions, and current enrollment directly with the school's admissions office.
Key facts
- 3 schools with full cost data published tuition + WhereNext-modeled true annual cost (registration, transport, uniform, activities).
- Median tuition: $20,776/yr published headline tuition midpoint.
- Median true cost: $21,656/yr a median ~4% above each school's own tuition.
- Cheapest: International School Ruhr $19,430/yr true annual cost.
- Most expensive: Cologne International School $25,958/yr true annual cost.
Schools ranked
3
Median tuition
$20.8k
Median true cost
$21.7k
Median hidden fees
+4%
Curriculum mix
Schools ranked by true annual cost (cheapest first)
| # | School | Tuition USD | True cost |
|---|---|---|---|
| 1 | International School Ruhr | $14,198-$22,021 | $19,430 |
| 2 | Bonn International School | $14,792-$26,759 | $21,656 |
| 3 | Cologne International School | $22,699-$27,457 | $25,958 |
How we calculate true cost
The True Annual Cost takes the school’s mid-point USD tuition and adds city-calibrated extras for transport, uniform, registration recurrent, lunch, technology fee, and activity fees. The number is scaled by tier — premium-tier schools tend to charge proportionally higher capital levies and ancillary fees than budget schools.
Read the full True Annual Cost methodologyInternational school costs in Dusseldorf - Cologne - Bonn — FAQ
How much does international school really cost in Dusseldorf - Cologne - Bonn?
Across the 3 international schools in Dusseldorf - Cologne - Bonn with full cost data, the median true annual cost is $21,656 per year (median published tuition is $20,776). Across individual schools, true cost runs a median 4% above each school's own tuition once first-year charges (capital levy, registration) and recurring extras (transport, uniform, technology, activities) are modeled in.
Why is the true cost higher than the published tuition in Dusseldorf - Cologne - Bonn?
Published tuition is only the headline number. WhereNext models the additional charges a family typically faces — first-year items like capital levy and registration, plus recurring extras such as transport, uniform, technology and activity fees. In Dusseldorf - Cologne - Bonn these add a median 4% to each school's own tuition (some schools more, some less).
What is the cheapest international school in Dusseldorf - Cologne - Bonn by true cost?
Among the 3 schools in Dusseldorf - Cologne - Bonn with full cost data, International School Ruhr has the lowest true annual cost at $19,430 per year, while Cologne International School is the highest at $25,958 per year. Schools without published cost data aren't ranked.
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