| Aug. 14, 2019 | Staff Development Day/Student Holiday | School Closed |
| Aug. 19, 2019 | First Day of Fall 2019 Semester | Current Families |
| Sept. 1, 2019 | First Day of Fall 2019 Semester | New Families |
| Sept. 2, 2019 | Labor Day | School Closed |
| Sept. 9-13, 2019 | Book Fair | CDC Library |
| Sept. 17-18, 2019 | Fall Photos w/ Specialties Photography | Room 40 |
| Oct. 14, 2019 | Columbus Day | School Closed |
| Nov. 1, 2019 | All Saints Day | |
| Nov. 27-29, 2019 | Thanksgiving Holiday | School Closed |
| Dec. 6, 2019 | St. Nicholas Feast Day | |
| Dec. 20, 2019 | Christmas Program (Early Release-All classes) | 10:00 a.m. |
| Dec. 23-Jan. 3, 2020 | Christmas/Student Holidays | School Closed |
| Jan. 6, 2020 | First Day of Spring 2020 Semester | |
| Jan. 20, 2020 | Martin Luther King, Jr. Day | School Closed |
| Jan. 28, 2020 | Celebration of St. Thomas Aquinas Feast Day | |
| Jan. 27-31, 2020 | Catholic Schools Week/School Spirit Week | |
| Feb. 26, 2020 | Ash Wednesday | |
| Mar. 11-13, 2020 | Spring Break | School Closed |
| Apr. 10, 2020 | Good Friday | School Closed |
| Apr. 14-15, 2020 | Spring Photos w/ Specialties Photography | Room 40 |
| May 1, 2020 | May Crowning of Mary Ceremony | Gazebo |
| May 7-8, 2020 | Muffins with Mom | At Drop-Off |
| May 18-22, 2020 | Teacher Appreciation Week | |
| May 21, 2020 | Pre-K Graduation | 6:00 p.m. |
| May 22, 2020 | Spring Program (Early Release-All Classes) | 10:00 a.m. |
| May 25, 2020 | Memorial Day/Student Holiday | School Closed |
| June 18-19, 2020 | Donuts with Dad | At Drop- Off |
*** DATES SUBJECT TO CHANGE ***