Coach Bonnie Zimmermann
Bonnie Zimmermann has devoted herself to Glen Rock High School as a teacher and coach of several different sports (boys and girls), with those teams having significant success in the State Tournament and Bonnie receiving numerous Coach of the Year honors, including All-North Jersey Coach of the Year in 2014 for Girls Tennis and All-County Coach of the Year in 2018 for Boys Tennis.
Bonnie Zimmermann has been a Physical Education/Health teacher and Head Coach of several successful boys and girls athletic programs at Glen Rock High School since 2000.
Bonnie was Head Coach of the girls tennis program from the Fall of 2007 through the Fall of 2020 and in the Fall of 2022. During her 15 years leading that team, Glen Rock won 12 League Championships or Co-Championships and had a combined record of 238-41-3. Glen Rock’s teams also had an outstanding record in the postseason. Seven of those teams reached a Group, Sectional final and three of those seven teams (2014, 2019 and 2022) were crowned Group 1, Sectional Champion. The 2014 Team, led by Alex Mircea (GRHS 2014), and the 2019 Team reached the Group 1, State Championship final. Bonnie was named League Coach of the Year after four of those seasons and was named North Jersey Coach of the Year after the 2014 season.
During many of the same years, Bonnie was also Head Coach of the boys tennis program. During her 14 active seasons leading that team, from the Spring of 2011 through the Spring of 2025 (with 2020 being inactive due to COVID), Glen Rock’s boys tennis teams enjoyed significant success, winning twelve NJIC, Colonial Championships and having a combined record of 228-60. Glen Rock’s teams also had an outstanding record in the postseason. Nine of those teams reached a Group, Sectional final and five of those nine teams (2018, 2021, 2022, 2023 and 2024) were crowned Group 1, Sectional Champion. The 2021 Team, led by Matt Shulkin (GRHS 2021), won the Group 1, State Championship. Bonnie was named League Coach of the Year after seven of those fourteen seasons and was named Bergen County Coach of the Year after the 2018 team, led by Joe Shulkin (GRHS 2018), won the Bergen County Small School Championship and the Group 1, North Jersey Championship.
Bonnie has also been the Head Coach of Glen Rock High School’s Bowling Team since the start of the 2013-14 season. During her initial season, future Hall of Fame inductee Jake Rollins (GRHS 2014) won the State Tournament of Champions after bowling 12 consecutive strikes for a perfect score of 300. During Bonnie’s thirteen seasons as that program’s Head Coach, Glen Rock has achieved an aggregate record of 147-64 and has won three League Championships or Co-Championships. The 2022-23 team, led by Andrew Lee (GRHS 2023), won the Group 2, Sectional Championship. Bonnie has been named League Coach of the Year after five of those seasons (2018, 2020, 2021, 2023 and 2025).
Bonnie is also responsible for the launch of the girls volleyball program. In 1999, she started a volleyball program with middle school students and in 2000 continued coaching those athletes as freshmen. In 2001 the school began competing at the varsity level with Bonnie as Head Coach. She continued in that position through the 2004 season. The 2004 team won the B-PSL, King Championship and had a 22-3 record. In 2021, at the school’s request, Bonnie returned as Head Coach of the 2021 Team, and guided the team to the Group 1, Sectional final. During Bonnie’s seasons as that program’s Head Coach, Glen Rock achieved an aggregate record of 78-52.
Before teaching and coaching at Glen Rock High School, Bonnie coached recreational sports in Glen Rock, including soccer, basketball, baseball and softball. She also was active in Glen Rock Women’s Softball League (and served as President of that organization).
In 2006, Bonnie received the New Jersey Governor’s Award for Teaching at Glen Rock High School.
In 2022, Bonnie received the New Jersey Education Association “Coach For All Seasons” award for having been a multi-sport coach across multiple school years and thereby displaying year-log commitment over many years.
In 2025, Bonnie was awarded the Glen Rock Home and School Association Robert H. Ax Award that is given to a teacher who has done outstanding work over a period of years or has made other effective contributions to the excellence of Glen Rock schools.