By Jeremiah Hassel Life at Lighthouse Christian Academy in Piedmont, Missouri, was literal hell for many of the students there, according to witness accounts — ironic, given the school’s Christian-based mission. Now, as the two owners face felony charges for kidnapping, new details about life at the school have emerged as concerns erupt about the unregulated nature of private boarding schools in the state — and the dangers nonregulation poses to the students. Larry Musgraves Jr., 57, was taken into custody on Friday evening at the ABM Ministries campus in Piedmont, which is a small town just 1…