| West St. Mary High School | |
| Streetaddress: | 18333 Highway 182 West |
| City: | Baldwin |
| State: | Louisiana |
| County: | (St. Mary Parish) |
| Zipcode: | 70514 |
| Country: | USA |
| Principal: | Ashley Clark |
| District: | St. Mary Parish School Board |
| Staff: | 12.64 (FTE) |
| Ratio: | 27.06 |
| Type: | Public high school |
| Enrollment: | 342[1] |
| Enrollment As Of: | 2022-2023 |
| Campus: | (Urban/Country)--> |
| Colors: | Navy, white, columbia blue, and gray |
| Mascot: | Wolfpack |
| Website: | https://www.stmaryk12.net/Domain/29#calendar29/20240109/month |
West St. Mary High School (WSMHS) is a high school in unincorporated St. Mary Parish, Louisiana, near Baldwin.[2] It is a part of the St. Mary Parish School Board.
West St. Mary High athletics competes in the LHSAA.