Primarily designed to prepare women for work in religious vocations, Assumption specializes in theological studies and the liberal arts.

[12] During the 2012–13 school year, students from Morris Catholic drama classes won first place at the New Jersey Thespian Festival.

[13] It was the school's second win after taking the top prize for the main stage category the previous year.

[22][23] The 1971 baseball team won the Parochial B state title with a 3–0 win against Gloucester Catholic High School in the playoff finals.

[33] The 1990 team finished the season 20–1–1 and won its third consecutive Group III title with a 3–0 win against Metuchen in the finals.

[34] The 1990 team won a record fourth straight title and ended the season 24–1 after a 4–0 win against Bordentown in the championship game.

[36] The 2000 girls' soccer team won the Parochial North B state sectional championship, defeating Kent Place School in the tournament final.

[42] The boys' soccer team won the 2005 NJSIAA North Group B state championship with a 1–0 win against St. Rose High School.

[43] In 2007, the girls' basketball team won the NJSIAA North Group A state championship with a 53–32 win against Immaculata High School.