There are two categories of professional development modules designed to increase the
pedagogical and/or content knowledge of primary school teachers.

1. ISTC (TRAISI) courses: These are set-courses approved by STB. An Advanced Diploma
   will be awarded to teachers upon successful completion of 20 academic units of the set courses as listed.
   Teachers can enroll for these courses through TRAISI.
   
   
   • Courses Leading to Advanced Diploma
   
   
2. ISTC (Non-TRAISI) courses: These are short courses customized for a school/cluster. They are not sponsored
   by STB.
   
   
   • Courses