ក្នុងកំឡុងពេល 1970-1990 តែម្នាក់ឯង, 170 text-books and more than 300 methodology instructions were issued for schools . The introduction of oblige public secondary-level education in 60’s set a task to provide schools, training colleges, voluntary schools and technical voluntary schools with teaching personnel . Given that in 1960, enrollment of students was 2.4 thousand people including 760 full-time students and 1.7 thousand of extramural students; ក្នុង 1970, it reached 1.6 និង 1.5 thousand of students correspondingly .
គ្រូបង្រៀនដែលបានធ្វើឡើងអំពីសាកលវិទ្យាល័យបាន 250 ថាសបង្រួមជាមួយសៀវភៅសិក្សាពហុអេឡិចត្រូនិណែនាំ, ខ្សែភាពយន្តវីដេអូនិងកម្មវិធីធ្វើតេស្ត, ទាំងអស់គ្នាច្រើនជាង 23700 ធាតុ.