Concord High School senior Gabe Tobin receives a high five as he walks through the prom parade with junior Haley Munroe at the Grappone Conference Center in Concord on Thursday, June 15, 2017. (ELIZABETH FRANTZ / Monitor staff)
Concord High School senior Alexandra Childs (right) walks towards the entrance of the Grappone Conference Center in Concord with her prom guest on Thursday, June 15, 2017. (ELIZABETH FRANTZ / Monitor staff)
Concord High School seniors and their guests parade past teachers, families, and friends before the start of prom at the Grappone Conference Center in Concord on Thursday, June 15, 2017. (ELIZABETH FRANTZ / Monitor staff) Elizabeth Frantz—Monitor staff
Concord High School seniors and their guests parade past teachers, families, and friends before the start of prom at the Grappone Conference Center in Concord on Thursday, June 15, 2017. (ELIZABETH FRANTZ / Monitor staff) Elizabeth Frantz—Monitor staff
Concord High School seniors and their guests parade past teachers, families, and friends before the start of prom at the Grappone Conference Center in Concord on Thursday, June 15, 2017. (ELIZABETH FRANTZ / Monitor staff) Elizabeth Frantz—Monitor staff
Concord High School seniors and their guests parade past teachers, families, and friends before the start of prom at the Grappone Conference Center in Concord on Thursday, June 15, 2017. (ELIZABETH FRANTZ / Monitor staff) Elizabeth Frantz—Monitor staff
Concord High School seniors and their guests parade past teachers, families, and friends before the start of prom at the Grappone Conference Center in Concord on Thursday, June 15, 2017. (ELIZABETH FRANTZ / Monitor staff) Elizabeth Frantz—Monitor staff
Concord High School seniors and their guests parade past teachers, families, and friends before the start of prom at the Grappone Conference Center in Concord on Thursday, June 15, 2017. (ELIZABETH FRANTZ / Monitor staff) Elizabeth Frantz—Monitor staff
Concord High School seniors and their guests parade past teachers, families, and friends before the start of prom at the Grappone Conference Center in Concord on Thursday, June 15, 2017. (ELIZABETH FRANTZ / Monitor staff) Elizabeth Frantz—Monitor staff
Concord High School seniors and their guests parade past teachers, families, and friends before the start of prom at the Grappone Conference Center in Concord on Thursday, June 15, 2017. (ELIZABETH FRANTZ / Monitor staff) Elizabeth Frantz—Monitor staff
Concord High School seniors and their guests parade past teachers, families, and friends before the start of prom at the Grappone Conference Center in Concord on Thursday, June 15, 2017. (ELIZABETH FRANTZ / Monitor staff) Elizabeth Frantz—Monitor staff
Concord High School seniors and their guests parade past teachers, families, and friends before the start of prom at the Grappone Conference Center in Concord on Thursday, June 15, 2017. (ELIZABETH FRANTZ / Monitor staff) Elizabeth Frantz—Monitor staff
Concord High School seniors and their guests parade past teachers, families, and friends before the start of prom at the Grappone Conference Center in Concord on Thursday, June 15, 2017. (ELIZABETH FRANTZ / Monitor staff) Elizabeth Frantz—Monitor staff
Concord High School seniors and their guests parade past teachers, families, and friends before the start of prom at the Grappone Conference Center in Concord on Thursday, June 15, 2017. (ELIZABETH FRANTZ / Monitor staff) Elizabeth Frantz—Monitor staff
Concord High School seniors and their guests parade past teachers, families, and friends before the start of prom at the Grappone Conference Center in Concord on Thursday, June 15, 2017. (ELIZABETH FRANTZ / Monitor staff) Elizabeth Frantz—Monitor staff
Concord High School seniors and their guests parade past teachers, families, and friends before the start of prom at the Grappone Conference Center in Concord on Thursday, June 15, 2017. (ELIZABETH FRANTZ / Monitor staff) Elizabeth Frantz—Monitor staff
Concord High School seniors and their guests parade past teachers, families, and friends before the start of prom at the Grappone Conference Center in Concord on Thursday, June 15, 2017. (ELIZABETH FRANTZ / Monitor staff) Elizabeth Frantz—Monitor staff
Concord High School seniors and their guests parade past teachers, families, and friends before the start of prom at the Grappone Conference Center in Concord on Thursday, June 15, 2017. (ELIZABETH FRANTZ / Monitor staff) Elizabeth Frantz—Monitor staff
Concord High School seniors and their guests parade past teachers, families, and friends before the start of prom at the Grappone Conference Center in Concord on Thursday, June 15, 2017. (ELIZABETH FRANTZ / Monitor staff) Elizabeth Frantz—Monitor staff
Concord High School seniors and their guests parade past teachers, families, and friends before the start of prom at the Grappone Conference Center in Concord on Thursday, June 15, 2017. (ELIZABETH FRANTZ / Monitor staff) Elizabeth Frantz—Monitor staff
Concord High School seniors and their guests parade past teachers, families, and friends before the start of prom at the Grappone Conference Center in Concord on Thursday, June 15, 2017. (ELIZABETH FRANTZ / Monitor staff) Elizabeth Frantz—Monitor staff
Concord High School seniors and their guests parade past teachers, families, and friends before the start of prom at the Grappone Conference Center in Concord on Thursday, June 15, 2017. (ELIZABETH FRANTZ / Monitor staff) Elizabeth Frantz—Monitor staff
Concord High School seniors and their guests parade past teachers, families, and friends before the start of prom at the Grappone Conference Center in Concord on Thursday, June 15, 2017. (ELIZABETH FRANTZ / Monitor staff) Elizabeth Frantz—Monitor staff
Concord High School seniors and their guests parade past teachers, families, and friends before the start of prom at the Grappone Conference Center in Concord on Thursday, June 15, 2017. (ELIZABETH FRANTZ / Monitor staff) Elizabeth Frantz—Monitor staff
Concord High School seniors and their guests parade past teachers, families, and friends before the start of prom at the Grappone Conference Center in Concord on Thursday, June 15, 2017. (ELIZABETH FRANTZ / Monitor staff) Elizabeth Frantz—Monitor staff
Concord High School seniors and their guests parade past teachers, families, and friends before the start of prom at the Grappone Conference Center in Concord on Thursday, June 15, 2017. (ELIZABETH FRANTZ / Monitor staff) Elizabeth Frantz—Monitor staff
Concord High School seniors and their guests parade past teachers, families, and friends before the start of prom at the Grappone Conference Center in Concord on Thursday, June 15, 2017. (ELIZABETH FRANTZ / Monitor staff) Elizabeth Frantz—Monitor staff