They don't. Look at the detailed report from the county's office of accountability. You can compare cohort performance across schools to get a sense of how one school stacks up to another and look beyond simple demographic differences, but if that seems too hard here's the short answer. Blair 1326 Walter Johnson 1275 Wooton 1262 Poolesville 1259 Churchill 1257 Wheaton 1173 Einstein 1148 Kennedy 1088 https://montgomeryschoolsmd.org/departments/sharedaccountability/reports/2017/1771102HS%20Princ_SAT%20Partic_Perf%20Class%20of%202017.pdf |