Prairie Ridge High School bid farewell to the Class of 2012.
Administrators, teachers, parents and relatives on Saturday morning packed the Prairie Wolves' gymnasium.
Additional spectators watched from overflow seating in the school's auditorium, where the ceremony was broadcast on an overhead screen.
The high school, 600 Dvorak Dr. in Crystal Lake, recognized its 421 seniors. Among them, 49 students graduated with honors.
Valedictorian Katarzyna Robak and salutatorian Colleen Miller addressed their classmates during the ceremony.
After Prairie Ridge Principal Paul Humpa formally presented the class to the audience, members of Community High School District 155 Board distributed the diplomas to the graduates.