Church Mission Society Higher Secondary School (CMSHSS) is a higher secondary school located in Thrissur city, of Kerala state, in India. The school was started by CMS missionary in 1883. The school gives instruction in Malayalam and English and follows the Kerala state syllabus. It has classes from first standard to 12th standard.
The Church Mission Society Higher Secondary School was formed by a religious person
The context states the school was formed by a missionary. A missionary is a person sent on a religious mission, so the inference is they are religious. The system did likely not understand that a missionary is religious. 
( z1 form :ARG0 ( z2 person :mod ( z3 religion ) ) :ARG1 ( z4 school :name ( z5 name :op "Church" :op "Mission" :op "Society" :op "Higher" :op "Secondary" :op "School" ) ) )