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Best Extra County Schools in Kiambu County: Kiambu County boasts several esteemed extra-county schools known for their academic excellence and holistic development. Here’s an overview of each:
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Kanunga High School
Kanunga High School is among the top extra-county schools in Kiambu. Kanunga is a public school located in Kiambaa near Kiambu town, Kiambaa Constituency in Kiambu County. The school had an impressive mean score of B- with 59.831 points in the 2024 KCSE exams.
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Precious Blood Kagwe Girls Secondary School
Precious Blood Kagwe is a publicly funded extra-county school affiliated with the Catholic Church. Established in 1966 at Gatamaiyu community, the School has maintained commendable academic standards. In the 2024 KCSE examinations, the school achieved a mean score of B- with 59.505 points,
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Thika High School
Thika High School has shown remarkable improvement in recent years. In the 2023 KCSE examinations, the school achieved a mean score of 7.756. Of 463 candidates, 355 qualified for university admission, with 25 students securing a mean grade of A minus and above. This resurgence underscores the school’s commitment to academic excellence and holistic student development.
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St. Anne’s Lioki Girls Secondary School
This Girls’ Secondary School has demonstrated consistent academic excellence over the years. In the 2024 KCSE examinations, the school celebrated outstanding results with a KCSE mean grade of 7.752. A total of 13 students had a mean grade of A minus and above. This success is attributed to dedicated staff and a supportive learning environment.
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Kiambu High School
In the 2024 KCSE results, this school had a mean grade of 7.40. The number of students with A plain were two and 23 students had a mean grade of A minus. The institution has a longstanding reputation for academic rigor and excellence in extracurricular activities, contributing significantly to the educational standards of Kiambu County.
These institutions exemplify the high educational standards in Kiambu County, fostering environments that promote both academic and personal growth.

Betty is a qualified teacher with a Bachelor of Education (Arts). In addition, she is a registered Certified Public Accountant. She has been teaching and offering part-time accounting services for the last 10 years. She is passionate about education, accounting, writing, and traveling.