The Claremont High School Choral Department presents “This Is the Greatest Show,” at 7 p.m. Thursday, February 22, and Friday, February 23, at Garrison Theatre, 231 E. 10th St., Claremont. The show will feature music from award winning songwriting duo Benj Pasek and Justin Paul, best known for their works on films such as “La La Land,” “Dear Evan Hansen,” and “The Greatest Showman.” Tickets, $12, are at chschoir.org.