SILVER SPRING, Md. – A Montgomery County family wants an apology after a high school principal told their son he’d need a note from his rabbi if he wanted to wear his knitted kippa sruga to school.

Dr. Henry Johnson, principal at Northwood High School in Silver Spring, told the Washington Post the he was enforcing the school’s policy on the wearing of hats, and that 17-year-old Caleb Tanenbaum’s kippa