The Best Secondary Schools in Kajiado Central Constituency 2009 Filter Year 20102009200820072006 #Rank School County No. of students Mean Grade No. of As 1 Olkejuado High School Kajiado2317.001 2 Namanga Border Secondary School Kajiado74.400 3 Kajiado Central Secondary School Kajiado534.100 4 Ilbissil Girls Secondary School Kajiado484.000 5 Kajiado Hill Girls Academy Kajiado223.570 6 Namanga Girls High School Kajiado183.500