This is a spiritual organization functioning in all the parishes of the orthodox church throughout the world. It takes care of the spiritual of the children, by bringing them up in the knowledge and fellowship of Jesus Christ and his church, The classes are conducted in Malayalam for the children in kerala and for others in English. It has a separate wing for the outer kerala region.

The classes range from pre-primary classes to the 12th class. As in secular schools, class ten concludes the secondary level and a certificate is awarded Sunday school final certificate (SSFC) to the successful candidates. Higher secondary course is for another two years.

We follow a curriculum jointly prepared and published by the oriental orthodox churches which is revised from time to time.

The vacation bible school conducted during the midsummer holidays (OVBS) is a very vibrant wing of the OSSAE. We publish separate text books, devotional materials, song books and cassettes for the OVBS every year

The headquarters of the OSSAE is located in the complex of the Devalokam Catholicate, Kottayam.