Lowell Catholic
| Lowell Catholic High School | |
|---|---|
Campus viewed from north  | |
| Address | |
530 Stevens Street , , 01851 United States  | |
| Coordinates | 42°37′32″N 71°19′52″W / 42.62556°N 71.33111°W | 
| Information | |
| Type | Private, Coeducational | 
| Motto | Excel. Prepare. Live. | 
| Religious affiliation(s) | Roman Catholic, Xaverian Brothers  | 
| Established | 1989 | 
| Principal | Brittany Conley | 
| Teaching staff | 38 | 
| Grades | Pre-K–12 | 
| Enrollment | 369 (2008) | 
| Average class size | 18 | 
| Student to teacher ratio | 10:1 | 
| Color(s) | Green, Navy Blue and White | 
| Athletics conference | Commonwealth Athletic Conference | 
| Team name | Crusaders | 
| Accreditation | New England Association of Schools and Colleges | 
| Publication | A New Crusade (literary magazine) | 
| Newspaper | Rewind | 
| Yearbook | The Legacy | 
| Tuition | 2025-26: $14,600 | 
| Director of Enrollment | Hailey Cockroft | 
| Athletic Director | Matt Stone | 
| Website | Official website | 
Lowell Catholic is a private, not-for-profit, college preparatory school in Lowell, Massachusetts. It is located in the Roman Catholic Archdiocese of Boston and is a Xaverian Brothers Sponsored School.
Lowell Catholic High School was established in 1989 through the merger of the following other Catholic high schools:
- Keith Hall/Keith Catholic
 - Keith Academy (photo)
 - St. Patrick's High School
 - St. Joseph's High School
 - St. Louis Academy
 
It enrolls boys and girls in grades Preschool through 12. The school's philosophy embraces the teachings and principles of the Roman Catholic Church and the Xaverian Brothers Sponsored Schools.