Extra County Schools in Kenya form the second tier of secondary schools; after National schools. They were formerly referred to as Provincial schools. These schools are distributed all over the Country with each county having its share. The schools admit students from all over the country. These schools are in 3 Categories i.e category 1 (C1), Category 2 (C2) and Category 3 (C3). The Schools are either of Mixed or single sex type.

Here are the Extra County Schools in Kisumu County:

School  Code	School Name	Category	Type	Cluster
39713001	AHERO GIRLS SECONDARY SCHOOL	Extra County	Girls	C2
39713006	ONJIKO HIGH SCHOOL	Extra County	Boys	C1
39713021	OTIENO OYOO SECONDARY SCHOOL	Extra County	Boys	C2
39713023	MIGINGO GIRLS SECONDARY SCHOOL	Extra County	Girls	C3
39714101	NGERE HIGH SCHOOL	Extra County	Boys	C2
39714106	ST. BARNABAS GIRLS’ SECONDARY SCHOOL	Extra County	Girls	C2
39733108	ACK RAE GIRLS HIGH SCHOOL	Extra County	Girls	C2
39733212	NYABONDO HIGH SCHOOL	Extra County	Boys	C1
39733213	NYAKACH GIRLS’ HIGH SCHOOL	Extra County	Girls	C1
39733216	SIGOTI COMPLEX GIRLS SECONDARY SCHOOL	Extra County	Girls	C1
39733307	THURDIBUORO MIXED SECONDARY SCHOOL	Extra County	Mixed	C1
39734312	MIWANI SECONDARY SCHOOL	Extra County	Boys	C3
39734401	ACHEGO GIRLS SECONDARY  SCHOOL	Extra County	Girls	C1
39734402	KORU GIRLS SECONDARY SCHOOL	Extra County	Girls	C1
39734408	ST. STEPHEN’S MENARA SECONDARY SCHOOL	Extra County	Boys	C3
39737022	CHULAIMBO SECONDARY SCHOOL	Extra County	Boys	C1
39737025	SINYOLO GIRLS SECONDARY SCHOOL	Extra County	Girls	C2
39741005	KISUMU BOYS HIGH SCHOOL	Extra County	Boys	C1
39741007	ST.TERESA’S GIRLS SECONDARY SCHOOL	Extra County	Girls	C3

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