Spring Vale Christian School, OwossoSpring Vale Christian School in Owosso ranks as the 10th best private high school in the state. (Photo via GoogleMaps)According to Niche, tuition for high school students at Spring Vale runs around $13,000 a year. University Liggett School, Grosse Pointe WoodsUniversity Liggett School in Grosse Pointe Woods ranks as the 6th-best private high school in the state. The Roeper School, Bloomfield HillsThe Roeper School in Bloomfield Hills ranks as the 4th-best private high school in Michigan, according to Niche. Cranbrook Schools, Bloomfield HillsCranbrook Schools rank as the best private schools in the state.