Nirmalagiri College, a minority institution under the Archdiocese of Thalassery, was established on 13th May 1964 by H.E. Mar Sebastian Valloppilly, the first Bishop of Thalassery Diocese. The college is situated at Nirmalagiri near Kuthuparamba, 20 Km North - East of Thalassery, alongside the Thalassery - Mysore inter-state highway and 15 Km away from Kannur International Airport. The founding of the college was in tune with the vision and objectives spelt out in the Memorandum of Association of the Roman Catholic Diocese of Tellicherry registered as S. No. 12 of 1954 dated 04.11.54 under Societies Registration Act (Act XXI of 1860). The Archdiocese of Thalassery has succeeded in establishing a large number of educational and charitable institutions in Malabar for the benefit of the society. There are 23 L. P. schools, 30 U. P. schools, 24 High Schools, 14 Higher Secondary Schools and an Engineering College under the Diocese. National Assessment and Accreditation Council re-accredited the College with 'A++ Grade' in the 4th Cycle of Accreditation in 2023. The College was Ranked 87th in the National Institutional Ranking Framework (NIRF) All India Ranking conducted by the Ministry of Human Resource Development, Government of India in 2018.The College was Ranked 93rd in the National Institutional Ranking Framework (NIRF) All India Ranking 2019.