[2] Glenn's athletic programs include: Baseball, Basketball, Soccer, Dance Team, Cheerleading, Softball, Cross Country, Swimming, Tennis, Football, Volleyball, Golf, Wrestling, Track, and Lacrosse.

The 1986 boys track & field team won the 4A State Outdoor Meet.

The 1992 baseball team won the 1992 4A State Championship, finishing the season with a 27–2 record.

Individual state championships have been won in track & field, cross country, and wrestling.

There are also two gyms, an auditorium, cafeteria, courtyard, dance studio, football stadium, and an office building plus a library.