Claremont High School Theatre will close its 60th season with 7 p.m. performances of “Matilda the Musical,” June 1-3 at Pomona College’s Bridges Auditorium, 450 N. College Way, and a 2 p.m. matinee June 3. Tickets for the musical, based on the 1988 children’s book by Roald Dahl, are at chstheatre2129.com, or (909) 624-9053, ext. 30463.