The Himachal Pradesh Education Department has adopted cluster school system for optimum utilisation of manpower and to achieve the goal of quality education and notified 1023 clusters with enrolment of 4, 97,631.
Based on area and accessibility, cluster schools (middle, senior secondary and high) notified by the Higher Education Department included 1,878 Government Senior Secondary School (GSSS), 931 Government High Schools (GHS) and 1895 Government Middle Schools.
The maximum number of 182 clusters has been notified in Shimla followed by 161 in Mandi, 134 in Kangra, 121 in Chamba, 109 in Sirmaur, 84 in Solan, 63 in Hamirpur, 58 in Kullu, 42 in Bilaspur, 37 in Una, 23 in Kinnaur and 21 in Lahaul and Spiti.