International School of Kenya (ISK). This non-profit day school on Kirawa Road offers a North American curriculum and the IB Diploma. Its history includes US Embassy and Canadian High Commission sponsorship from 1976. An August 2026 press report gives 2026–27 tuition of USD 30,800 for Kindergarten and USD 37,330 for Grades 11–12, plus a USD 11,000 one-time capital levy, USD 400 application fee and optional USD 2,200 bus charge. An annual levy is also relevant to the total. The school publishes its fee structure, but not the full official amounts. ↗
Brookhouse Schools. The Karen and Runda campuses offer British qualifications, including IGCSE, A levels and BTEC. An August 2026 press round-up reports day tuition up to KSh 2.88 million in Year 13 and boarding up to KSh 4.55 million at Karen. The Nsouli Scholars Programme is reported to support students aged 13–18; ask about current eligibility and funding. ↗
The Braeburn group. Its original school opened on Gitanga Road in Lavington in 1979. The 2025–26 fee listing for Braeburn Garden Estate gives day tuition from KSh 928,800 in Nursery to KSh 2,576,000 in Year 12, with sibling discounts of 10–40%. These are historical figures. Its reported credentials include CIS accreditation, BSO inspection and COBIS, IAPS and AISA memberships; check the latest reports separately. Braeside Lavington’s historical 2025–26 listing ranges from KSh 688,798 to KSh 1,465,000. ↗
Peponi and Hillcrest. Peponi’s senior school in Ruiru serves ages 13–18 with day and boarding options. Its 2025–26 listing gives KSh 2,929,110 for day fees and KSh 4.12–4.36 million for boarding. Hillcrest in Karen has offered a British curriculum since 1965. Its historical 2024–25 range was KSh 867,900–2,908,500; an August 2026 press report gives up to KSh 3,083,099 for Years 12–13 in 2026–27; the figures come from different years. ↗
Other options. Rosslyn Academy offers an American curriculum in a Christian setting near Gigiri. The German School Nairobi offers a pathway to the Abitur. Current fee schedules for these schools were not publicly available.