[25] The 1998 softball team finished the season with a record of 16-9 after winning the Group III state championship, having defeated Passaic Valley Regional High School by a score of 7–2 in the final game of the tournament.

[28] The team repeated as winner of the sectional title in 2003, edging Cumberland Regional High School by a score of 4–3.

[31] In 2016, the baseball team won the South Jersey Group IV sectional championship, defeating Millville High School by a score of 3–0 in the tournament final.

[32] The field hockey team won the South Jersey Group III state sectional championship in 2017 and 2019, and won the Group III state title in 2019, defeating runner-up Warren Hills Regional High School by a score of 2–1 in the championship game.

[33][34] Clearview participates in the South Jersey High School Ice Hockey League, a high school ice hockey league with 16 teams participating at the varsity level from South Jersey.

The Clearview Regional Marching Band was crowned the 2008 USSBA New Jersey State champions (group II) on October 26, 2008, in Union, NJ.

The competition was originally scheduled to be held on the 25th at Giants Stadium, but was rained out and rescheduled to the following day at Union High School.

[37] In November 2008, the Clearview Regional Marching Band took 2nd place for Group II at the USSBA National Championships held at the United States Naval Academy in Annapolis, Maryland.

The 2009 show was entitled "Tragic Kingdom: The Rise and Fall of Babylon 2009", and was written by the Marching Band Director, Calvin Spencer.

The Clearview Regional Marching Band finished 2nd in Group I at the USSBA New Jersey state championships.