| Ascension Catholic High School | |
| Streetaddress: | 311 St. Vincent Street |
| City: | Donaldsonville |
| State: | Louisiana |
| County: | (Ascension Parish) |
| Zipcode: | 70346 |
| Country: | USA |
| Coordinates: | 30.1025°N -90.9858°W |
| Religion: | Roman Catholic |
| Principal: | Tammy Crochet |
| Chaplain: | Fr. Matthew Dupre |
| Act: | 21.2 |
| Type: | Private, Coeducational |
| Grades: | Pre K - 12th grade |
| Language: | English |
| Hours In Day: | 8 am- 3 pm |
| Motto: | Honor ∙ Truth ∙ Loyalty |
| Accreditation: | Southern Association of Colleges and Schools[1] |
| Rival: | St. John and Ascension Christian |
| Mascot: | Bulldog |
| Sports: | golf, basketball (boys and girls), tennis, football, softball, cross country, track, and volleyball (boys and girls) |
| Nickname: | Bulldogs |
| Colors: | Purple and gold |
| Yearbook: | The Bulldog |
Ascension Catholic High School is a private, Roman Catholic high school in Donaldsonville, Louisiana. It is the oldest Catholic school in the Roman Catholic Diocese of Baton Rouge
Ascension Catholic was established in 1845 as St. Vincent Institute by the Daughters of Charity.[2]
Ascension Catholic athletics competes in the LHSAA.
Football championships