The study aimed to estimate the time of approving the plans of scientific research projects for educational postgraduate students at King Saud University using PERT and CPT techniques. The descriptive method was conducting in order collect information and data from 18 students were candidate as doctoral students in the Department of Educational Administration in the School of Education at King Saud University which their research projects were approved in the academic year 1438/1439 AH, as well

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... as 5 members of DEA and research plans committee. The study found that the total of estimated time for the procedural steps to approving the plans of research projects for educational postgraduate students at King Saud University using the PERT method was approximately 167 days, and the probability of reduction these period of time was very low. The study also concluded eight possible paths for these steps of research project plans on the network, and the longest was the critical path with duration of 152 days. The study made a number of related recommendations.