The Best Secondary Schools in Mandera County 2010 Filter Year 20102009200820072006 #Rank School County No. of students Mean Grade No. of As 1 Sheikh Ali High School Mandera1025.750 2 Takaba Boys Secondary School Mandera735.330 3 Wayam Secondary School Mandera465.140 4 Chief Mohamed Jari Secondary School Mandera415.140 5 Border Point Secondary School Mandera894.000 6 Elwak Girls Secondary School Mandera554.000 7 Rhamu Girls Secondary School Mandera633.670 8 Lafey Boys Secondary School Mandera793.500 9 Arabia Girls Secondary School Mandera273.000