“…In the selected Mandal, the line listing of schools with the corresponding number of adolescent girls was developed with the help of government officials. The sample size was calculated using Cochrane Sample Size Calculator for categorical data with a formula of n0=(t)2*(p)(q)/(d)2=384 ((1.96) 2 * (0.5) *(0.5))/ (0.07) 2 = 196 Where n0 is the sample size, t is the value of the selected range at the alpha level, e.g. 1.96 for (0.25 in each tail) at 95% confidence level, p is an estimated proportion of the attribute in the population.…”