[2][3] Founded in 1820 by American missionaries, it is one of Sri Lanka's oldest schools.

The ACM established missions in other parts of the Jaffna peninsula including one in Vaddukoddai.

Ariam Hudson Paramasamy was the first Sri Lankan principal, and was followed by Saraswathy Somasundaram in 1970 and Chelvi Selliah in 1982.

The Further Education Program (FEP) aspires to strengthen students through skills development such as accounting, music, English and IT.

The Eliza Agnew Business Processing Outsourcing Centre trains school leavers on online accounting and IT skills.