The school was originally a farm owned by the prominent Whitney family of New York City, and home to the Greentree Stable.

[5] The site of Christian Brothers Academy was originally a farm owned by the prominent Whitney family of New York City, and home to their renowned Greentree Stable.

Christian Brothers Academy was founded in 1958, when a group of devoted laymen, including Doctor George A. Sheehan, realized the need for another Catholic high school in Monmouth County.

With six Brothers on the teaching staff, the school opened for the first time in September 1959 with an inaugural ninth grade class of 140 students, with classrooms built in a converted horse stable.

[13] Over the years, the school has undergone many additions and renovations, including the building of the Henderson Theater, three science labs, two large gyms, and extra classrooms.

Students who excel in CBA and who meet particular standards of academics, service, leadership, and character may apply for entry to the National Honor Society.

[24] Christian Brothers Academy has been recognized nine times by the NJSIAA as the Group A Non-Public winner of the annual ShopRite Cup, which is awarded for overall achievement by athletics programs in the state.

[27][28] Christian Brothers Academy offers cross country, soccer, rugby, sailing, and crew as sports in the fall season.

The team won its first New Jersey State Scholastic Rowing Championships in the Novice 4+ event in its inaugural year.

In 2014, the sailing team won their first-ever NJISA League Championship, and in 2015, CBA was crowned New Jersey State Champions for the first time.

[44] From 1978 to 2016, CBA was coached by Dan Keane, who had a record of 545–157–41 in his 39-year tenure with the Colts and built the program to state dominance, having won four group titles, 17 sectional championships and winning the Shore Conference Tournament on ten occasions.

[45] The 1992 team finished the season with a 17–1 record after winning the Non-Public A title against Don Bosco Preparatory High School by a score of 2–0 in the tournament final.

[46] In 1998, the team finished undefeated with a 20–0–2 record after a win against Delbarton School by a score of 5–0 in the Non-Public A championship game played at The College of New Jersey.

[48] The 2011 team was 21–0 and beat Delbarton by a score of 1–0 in the Non-Public A state title game on a goal in the second minute of overtime by future MLS player Scott Thomsen '12.

[46][51] The Colts won another Non-Public A state championship in 2022, defeating Seton Hall Prep by a score of 1–0 in the finals.

[52] Christian Brothers Academy offers basketball, bowling, fencing, ice hockey, indoor track, swimming, and wrestling as sports in the winter season.

Before a crowd of 1,000 spectators, the 1971 team held off Essex Catholic by a score of 70–68 in the championship game to win the Parochial A title and finish the season at 25–2.

[55] The 1984 team finished the season with a 29–1 record after winning the Parochial A state title by defeating St. Peter's 59–47 in the championship game.

Geoff Billet '95, who played on the last CBA state championship team and started at Rutgers, was named the head basketball coach on August 1, 2007.

[62] Coached by Karl Torchia, the track team has won more titles at the county, state, and national level than any other sports in the school combined.

[66][67] In 2015, the Colts battled back from a 3–0 deficit to Delbarton School in the Non-Public state final to win the game 4–3 in overtime.

[71] Varsity hockey championships:[72] The CBA Swim Team has been the Monmouth County and Shore Conference champions for 28 years in a row coached by Michael Sullivan.

Notable CBA swimmers are 2000 Summer Olympics bronze medalist Tom Wilkens, and professional baseball player Vito Chiaravalloti, who is varsity swim coach as of October 2008.

Varsity swimming championships: In 2005–06, the team went 17−4 and made it to the division finals; the Colts finished ranked 15th in New Jersey and had one athlete place at the state level.

David Santamaria (class of 1998) placed 2nd in the New Jersey high school state wrestling tournament three years in a row; Kevin Mount (class of 1999) placed 4th in the New Jersey high school state wrestling tournament his senior year.

Christian Brothers Academy offers baseball, crew, golf, lacrosse, outdoor track, rugby, sailing, tennis, and volleyball in the spring.

Under the direction of Head Coach Martin Kenney, the Colts have been a dominant force in New Jersey high school baseball since 1974.

The team won its first New Jersey State Scholastic Rowing Championships in the Novice 4+ event in its inaugural year.

In 2014, the sailing team won their first-ever NJISA League Championship, and in 2015, CBA was crowned New Jersey State Champions for the first time.

[45] Volleyball became a varsity sport at CBA in the 2000s and began seeing success late in the decade behind head coach Monica Slattery.