Nairobi School continues to fight upward in the list of best national schools in Kenya. The recent mean score and pass rate confirm impressive academic progress. Herein is a detailed performance analysis of Nairobi School KCSE results.
The premier institution carries on the unceasing legacy of producing influential politicians and business big wigs. Perhaps the most notable is the Prime Cabinet Secretary, Musalia Mudavadi.
Nairobi School KCSE results 2025
Nairobi School headed by senior principal Casper Maina is a top performer with several A-students.
The 2025 enrolment and grade distribution are enlisted below;
Nairobi School performance analysis
| Grade | 2025 |
| A | 42 |
| A- | 139 |
| B+ | 163 |
| B | 117 |
| B- | 76 |
| C+ | 41 |
| C | 14 |
| C- | 7 |
| D+ | 2 |
| D | 1 |
| D- | 0 |
| X | 0 |
| Candidates | 602 |
| University entry | 578 |
| Mean | 9.53 |
| Pass rate | 96% |
578 out of 602 candidates gained direct entry into public universities in Kenya. The results translates to a pass rate of 96 percent.
Mean grade comparison
| Year | Mean |
| 2026 | ~ |
| 2025 | 9.53 |
| 2024 | 9.22 |
| 2023 | 8.83 |
| 2022 | 9.54 |
| 2021 | 9.00 |
| 2020 | 9.41 |
Overall, the institution has maintained a steady mean score across the years.
Alumna and history of Nairobi School
The prestigious Nairobi School nicknamed ‘Patch’ was founded by Sir Edward Grigg, Governor of Kenya colony, in 1929.
The institution initially called Kabete Boys Secondary School and later Prince of Wales School was eventually named Nairobi School.
The famous Nairobi school sits on a 200 acres of land along Waiyaki Way and is about 11 kilometers from the capital city, Nairobi.
The incumbent chief principal, Mr. Caspal Momanyi Maina formerly attached to Kisii School is credited for the ongoing excellence.
List of other top performers
- Kenya High School
- Kanga High School
- Buruburu Girls
- Strathmore School
- Moi High School
- Kisii School
- Maryhill Girls
- Light Academy
- St Mary’s School
Reach the institution for further info on form one admission and the latest fee structure.
Nairobi School contacts
| Mobile | 0204442799 |
| Telephone | 0740547354 |
| KNEC Code | 20400002 |
| Category | National School |
| P.O Box | 3004, 00100 Nairobi |
| Motto | To the Uttermost |
| Location | Nairobi County |
| [email protected] | |
| Website | https://nairobischool.ac.ke |
Nairobi school KCSE result is a confirmation that the institution is dutiful to the task of academic excellence.
Bsc. Mechatronics Engineer & Founder of Rejnac Group Inc. with a strong passion for Robotics, networking, ICT, and AI applications. My goal in this web project is to highlight educational trends that are re-shaping your skills and career path. DM on WhatsApp or email [email protected].






