Albertus Magnus High School

Albertus Magnus High School, also known as AMHS, Albertus, and Magnus, is an American Catholic, co-educational high school located in Bardonia, New York, named after the German philosopher and theologian of the same name. It is the only Catholic high school in Rockland County, New York.

The school is administered by the Dominican Sisters of Sparkill, which was founded on May 6, 1876, in New York City by Mother Catherine Mary Antoninus Thorpe. Albertus Magnus High School is one of the many schools and missions in New York State, Missouri, Maryland, Montana, Pakistan, and Peru staffed by the Sparkill Dominicans in their 130-year history.

More than 80 percent of the student body participates in the many extracurricular activities available at the school.