He studied at Nabumali High School, before attending the University of Nairobi where he graduated with a Bachelor of Arts.
[7] In 2011 Cheptoris won the Kapchorwa District LC5 position on the National Resistance Movement political party ticket.
After one five-year term, he successfully contested for the newly created Kapchorwa Municipality constituency in the Parliament of Uganda.
[8] Among his priorities as a member of parliament are: (a) to establish an irrigation system in the constituency to boost agricultural production, (b) to assist in the creation of a university in the sub-region, (c) to assist in the re-establishment of "Elgon Cooperative Union", and (d) to establish a water and sewerage system in Kapchorwa Municipality.
[9] Cheptoris is the proprietor of (a) Kapchrowa Standard Academy, a secondary school in Kapchorwa District and (b) Cheminy Standard Academy, a secondary school in neighboring Kween District.