The article focuses on planning instructional strategies (PIS) with its three dimensions namely understanding, dispositions and practices as reported in the “National professional standards for teachers in Pakistan” (NPSTP). The research determined the difference in the three dimensions of the defined standard among in-service secondary school teachers with respect to gender and location. It was a survey type quantitative study. The population included all the secondary school teachers (SSTs) in the four provinces and Islamabad. The sample was selected through multi stage sampling which comprised of 400 teachers teaching secondary classes. To calculate the difference of means independent sample t-test was applied between the understanding dimension of male & female teachers which showed no significant difference, whereas significant difference was observed between the dispositions and practices of male & female teachers. Location wise no significant difference was found between the understanding and practices of urban & rural teachers related to PIS, while significant difference was established in the dispositions of rural & urban teachers towards PIS. On the basis of the findings it was recommended that strata wise all the SSTs required in-service professional development in all the three dimensions of PIS at varying degrees.