The Trinity Foundation d/b/a Marianapolis Preparatory School is an independent secondary school for grades 9 thru 12, which helps the students develop critical and analytical thinking skills; to build communicating and problem-solving skills; to promote the love of learning and the highest standards of academic achievement; to foster aesthetic sensitivity and creativity; to encourage the ideal of sound mind and body; to appreciate the value of cultural diversity; to nuture active and intelligent citizenship in the world; and to affirm Catholic principles through ethical and moral values.