St. Mary's Central School Rajakumary, is now a dream project of the Diocese of Idukki, It carries another phase of the educational mission of the Diocese. It is located in the peripherals of Munnar, famous for its scenic beauty and cool climate.

          Started in the year 1995 St. Mary's Central School has Kumari Kochuthrsia Palouse as its founder who is now the president of the District Panchayath Idukki. It has been taken up by the Diocese of Idukki during the year 2018. It is managed by St. Mary's educational trust. Mar John Nellikunnel, Bishop of the Diocese of Idukki is the patron of the school. Uplifting the people through proper education is deemed to be the greatest dream of the Diocese and also the need of all times. Our school is really a blessing to the people of Idukki irrespective of caste, creed, religion and economic status. It enjoys all the rights and privileges of Act 30 (1) of the Indian constitution and meets the educational requirements of the Christian community