A federal judge in Maryland struck down the Trump administration’s attempts to have the country’s school systems comply with a conservative interpretation of federal anti-discrimination law. Thursday’s 76-page ruling from Stephanie Gallagher, a Trump appointee, vacates both a Feb. 14 Education Department letter that asserts that federal law prohibits schools from using race in decisions pertaining to all aspects of education — and an ensuing agency demand for schools to certify they would comply with the administration’s views.