Foothill Ranch School Information The three schools associated with Foothill Ranch (Foothill Ranch Elementary, Rancho Santa Margarita Intermediate & Trabuco Hills High School) are in the Saddleback Valley Unified School District (SVUSD). The district has earned a score of 9 out of a possible 10 points from the Great Schools website. The Great Schools Website is run by a non-profit organization that aims to inform parents of the relative rankings for schools and to encourage communication between parents, students and teachers.