Union College (Tamil: ஐக்கிய கல்லூரி Aikkiya Kallūri; UC) is a provincial school in Tellippalai, Sri Lanka.

Daniel Poor established the first school on 9 December 1816 in the town of Tellippalai, sixteen kilometers from the City of Jaffna.

Levi Spaulding, who succeeded Woodward in 1828, had to allow his brilliant students join Vaddukkoddai Seminary later known as Jaffna College.

The Sanders hall had become the main building of the school consisted of a library, offices, student boarding and class rooms .

From 12/12/1990, the school begins functioning at Ramanathan College as the Sri Lankan army moved into Tellippalai and the whole population from the area got displaced.

10/09/2002 The school started functioning at its original location of Tellippalai which was inside the high security zone.

In 2011 high security zone at Tellippalai area was removed and the school started operating normally.

I. P. Thurairatnam's noteworthy accomplishments: introduced Senior School Certificate, London Matriculation, University Entrance and High School Certificate classes, inter-house system, Student Christian Movement, Old Boys' Association, Prize Giving, Scout Troop, Cricket and Football, and constructed Malaya Block, pipe-water supply, acquired Second Playground, renovated Biology and Physics laboratories, held Union Carnival and Exhibition and published The Union Pictorial.

Novelist Kathir Balasundaram's noteworthy accomplishments: built a large Water Tank and an Open Air Theatre in a newly acquired piece of land, produced good G.C.E A/L results in the period 1986–1990 and constructed a Hindu Temple in 1986.

K. Kandasamy successfully managed the school when it got displaced in 1990 due to Sri Lankan Civil War.