One of the significant problems among higher educated researchers; policy makers and administrators is to consider available possibilities in higher education, how much expansion and capacity for optimal student admission among universities and higher education institutes should be accepted. In this survey, using a linear programming and also with considering three major limitations in expanding higher education, i.e finance (budget), faculty member and campus (teaching physical possibilities), optimal capacity for student admission among eight technological universities affiliated to the Ministry of Science, Research and Technology (MSRT) are determined. Results showed that in 2005-2006 academic year, most of these universities admitted students over their acceptable capacity in different educational fields. In this research its suggested the preferring public higher education and increasing their financial and legal support. Also it is recommended that policy maker planners, decision makers & government should pay more attention to public higher education.