Intermediate level courses Plus Two (+2) In 2009, Higher Secondary Level (+2) science stream was initiated in affiliation with the Higher Secondary Education Board,
NEB (National Examination Board), Nepal. This level of education is the main reason for this college to acclaim its reputation in the country. The college has recently completed its fifteenth year of the +2 program in 2024. It only offers Science stream in +2 program; Management, Law and Humanities steam for +2 program are not available. The Higher Secondary Level (+2) science program has offered only two sub-streams: Biology and Physics. Subjects offered for the Biology sub-stream are Biology, Chemistry, English, Extra Math, Mathematics, Nepali and Physics. Meanwhile, Computer, Chemistry, English, Mathematics, Nepali and Physics are offered for the Physics sub-stream. This is the only +2 college in Nepal where students can dress in casual wear with certain dress code.
GCE advanced level The GCE advanced level program started at St. Xavier's College from 2011 A.D. which is affiliated with
Cambridge Assessment International Education. In 2017, it became an independent center (i.e. a Cambridge International School). The offered courses are accounting, biology, business, chemistry, computer science, economics, English general paper, mathematics, physics, further mathematics, psychology and sociology.
Undergraduate and postgraduate courses As of 2021, there are 7 undergraduate and 3 graduate level courses. The undergraduate courses are Bachelor in Business Studies (BBS), Bachelor in Major Arts (BA), Bachelor in Information Management (BIM), Bachelor of Science in Computer Science and Information Technology (B.Sc. CSIT), Bachelor of Science in physics, Bachelor of Science in Microbiology which are affiliated under Tribhuvan University. Bachelor in Social Work (BSW) runs under the affiliation of Kathmandu University. Sports Club, Ecosphere Club, St. Xavier's Physics Council, Chemistry Club (Club de chemia), Social Service, Environment and Technology Club (the SET council), Art and culture club, Agora Literary club, SXC Collabrains, SXC Computer Club, SEDS-SXC. ==List of Principals==