County Prep High School is a full-time public magnet high school for students in ninth through twelfth grades, located in Jersey City in Hudson County, New Jersey, United States, operating as part of the Hudson County Schools of Technology. As of the 2020–21 school year, the school had an enrollment of 979 students and 90.5 classroom teachers (on an FTE basis), for a student–teacher ratio of 10.8:1. There were 440 students (44.9% of enrollment) eligible for free lunch and 99 (10.1% of students) eligible for reduced-cost lunch.