2021-2022 Academic Calendar
| August | 31 | First Day of School: Middle ⁄ High School |
| September | 6 | NO SCHOOL - Labor Day |
| 7 | First Day of School: Lower School | |
| October | 11 | NO SCHOOL - Columbus Day (Teacher In-Service) |
| 29 | Last Day of 1st Quarter | |
| November | 1 | NO SCHOOL - All Saints’ Day (Clerical Day) |
| 12 | NO SCHOOL - Parent-Teacher Conferences | |
| 24 | Half Day - Noon Dismissal | |
| 25-26 | NO SCHOOL - Thanksgiving Break | |
| 29 | School Resumes | |
| December | 8 | NO SCHOOL - Immaculate Conception |
| 23-Jan 2 | NO SCHOOL - Christmas Break | |
| January | 3 | School Resumes |
| 17 | NO SCHOOL - Martin Luther King Day | |
| 20 | Last Day of 2nd Quarter | |
| 21 | NO SCHOOL - March for Life | |
| February | 21 | NO SCHOOL - Presidents’ Day (Teacher In-Service) |
| March | 24 | Last Day of 3rd Quarter |
| 25 | NO SCHOOL - Clerical Day | |
| April | 14-24 | NO SCHOOL - Easter Break |
| 25 | SCHOOL RESUMES | |
| May | 26 | NO SCHOOL - Ascension Thursday |
| 28 | High School Graduation | |
| 30 | NO SCHOOL - Memorial Day | |
| June | 2 | Last Day - Middle School |
| 3 | Last Half Day - High School; Middle School Graduation |
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| 3 | Last Day - Lower School | |
| 6 | Kennywood Day | |
