A Stuyvesant High School senior suspended for participating in a massive cheating ring has sued New York City over damage done to the student's prospects for admission to an elite college.

The student, who wasn't identified in court papers, claims the city ignored state regulations by unilaterally canceling scores on U.S. history, English and physics Regents without allowing the student to provide a defense. A judge on Tuesday denied the student's immediate request to both reinstate the test scores and block the city from...