Trinity Christian High School was established in 2008 for the purpose of providing covenantal instruction at the secondary level based upon the infallible and inspired written Word of God, the Holy Bible. The Bible, and the doctrines of the Bible as they are contained in the Heidelberg Catechism, the Canons of Dordt, and the Belgic Confession, is the supreme standard for all administration, instruction, and discipline in the school.

As an extension of covenant homes, Trinity is a parental school that provides a complete liberal arts education. The school strives in every regard to prepare young people for their lifelong calling of living in thankful obedience to their Heavenly Father.The school is closely affiliated with the Protestant Reformed Churches.

Accredited with the State of Iowa, Trinity has seven full-time and one part-time staff members with a current enrollment of 81 students in grades nine through twelve. It is blessed with a new and beautiful campus on fifteen acres immediately northwest of Hull, Iowa.