Academic Calendar
The Park School Academic Calendar
2025-26 calendar includes division-specific information.
2025-2026 Academic Calendar by Division
| August 27 Wednesday | Classes begin; Lower School half day, 11:30 a.m. dismissal |
|---|---|
| September 1 Monday | SCHOOL CLOSED: Labor Day |
| September 11 Thursday | Lower School Back-to-School Night, 6:45–8:45 p.m. |
| September 23 Tuesday | SCHOOL CLOSED: Rosh Hashanah |
| October 2 Thursday | SCHOOL CLOSED: Yom Kippur |
| October 17 Friday | SCHOOL CLOSED FOR STUDENTS: Professional Development Day |
| October 31 Friday | LOWER SCHOOL CLOSED: Parent/Teacher Conferences (in-person) |
| November 6 Thursday | LOWER SCHOOL CLOSED: Parent/Teacher Conferences (in-person) |
| November 26 Wednesday | SCHOOL CLOSED for Thanksgiving holiday; classes resume on Monday, December 1 |
| November 27 Thursday | SCHOOL CLOSED — Thanksgiving holiday |
| November 28 Friday | SCHOOL CLOSED for Thanksgiving holiday; classes resume on Monday, December 1 |
| December 1 Monday | Classes resume |
| December 19 Friday | 3:15 p.m. dismissal for Winter Break; classes resume on Monday, January 5 |
| January 5 Monday | Classes resume |
| January 19 Monday | SCHOOL CLOSED: Martin Luther King, Jr. Day |
| February 13 Friday | SCHOOL CLOSED FOR STUDENTS: Professional Development Day |
| February 16 Monday | SCHOOL CLOSED: Presidents’ Day |
| March 6 Friday | LOWER SCHOOL CLOSED: Parent/Teacher Conferences (in-person) |
| March 12 Thursday | LOWER SCHOOL CLOSED: Parent/Teacher Conferences (in-person) |
| March 13 Friday | 3:15 p.m. dismissal for spring break; classes resume on Wednesday, March 25 |
| March 24 Tuesday | SCHOOL CLOSED FOR STUDENTS: Professional Development Day; Potential Snow Make-Up Day (if necessary) |
| March 25 Wednesday | Classes resume |
| April 3 Friday | SCHOOL CLOSED: Good Friday |
| April 6 Monday | SCHOOL CLOSED: Easter Monday; Potential Snow Make-Up Day (if necessary) |
| May 25 Monday | SCHOOL CLOSED: Memorial Day |
| June 5 Friday | 12:30 p.m. dismissal for Upper School only 3:15 p.m. dismissal for summer vacation: Lower and Middle School |
| June 8 Monday | Commencement, 11 a.m. |
| August 27 Wednesday | Classes begin |
|---|---|
| August 28 Thursday | Middle School Back-to-School Night, 6:15–9:30 p.m. |
| September 1 Monday | SCHOOL CLOSED: Labor Day |
| September 23 Tuesday | SCHOOL CLOSED: Rosh Hashanah |
| October 2 Thursday | SCHOOL CLOSED: Yom Kippur |
| October 17 Friday | SCHOOL CLOSED: Professional Development Day |
| November 3 Monday | MIDDLE SCHOOL CLOSED: Comment Writing |
| November 26 Wednesday | SCHOOL CLOSED for Thanksgiving holiday; classes resume on Monday, December 1 |
| November 27 Thursday | SCHOOL CLOSED — Thanksgiving |
| November 28 Friday | SCHOOL CLOSED for Thanksgiving holiday; classes resume on Monday, December 1 |
| December 1 Monday | Classes resume |
| December 5 Friday | MIDDLE SCHOOL CLOSED: Parent Conference Day |
| December 19 Friday | Regular dismissal time for Winter Break; classes resume on Monday, January 5 |
| January 5 Monday | Classes resume |
| January 19 Monday | SCHOOL CLOSED: Martin Luther King, Jr. Day |
| February 13 Friday | SCHOOL CLOSED FOR STUDENTS: Professional Development Day |
| February 16 Monday | SCHOOL CLOSED: Presidents’ Day |
| February 27 Friday | MIDDLE SCHOOL CLOSED: Parent Conferences |
| March 9-12 Mon–Thurs | Exploratory Learning Week |
| March 13 Friday | 3:15 p.m. dismissal time for spring break; classes resume on Wednesday, March 25 |
| March 24 Tuesday | SCHOOL CLOSED FOR STUDENTS: Professional Activities Day; Potential Snow Make-Up Day (if necessary) |
| March 25 Wednesday | Classes resume |
| April 3 Friday | SCHOOL CLOSED: Good Friday |
| April 6 Monday | SCHOOL CLOSED: Easter Monday; Potential Snow Make-Up Day (if necessary) |
| May 19 Tuesday | 8th Grade ADVOC8 Documentation Day |
| May 25 Monday | SCHOOL CLOSED: Memorial Day |
| June 5 Friday | 11:30 a.m. Eighth Grade Closing Ceremony; 3:15 p.m. dismissal for summer vacation: Lower and Middle School |
| August 27 Wednesday | Classes begin |
|---|---|
| September 1 Monday | SCHOOL CLOSED: Labor Day |
| September 4 Thursday | Upper School Back-to-School Night, 6:15–8:45 p.m. |
| September 23 Tuesday | SCHOOL CLOSED: Rosh Hashanah |
| October 2 Thursday | SCHOOL CLOSED: Yom Kippur |
| October 16 Thursday | Senior Flex Day (seniors are not expected to attend classes) |
| October 17 Friday | SCHOOL CLOSED FOR STUDENTS: Professional Development Day |
| October 31 Friday | UPPER SCHOOL CLOSED: Comment Writing |
| November 26 Wednesday | SCHOOL CLOSED for Thanksgiving holiday; classes resume on Monday, December 1 |
| November 27 Thursday | SCHOOL CLOSED — Thanksgiving |
| November 28 Friday | SCHOOL CLOSED for Thanksgiving holiday; classes resume on Monday, December 1 |
| December 1 Monday | Classes resume |
| December 19 Friday | 3:15 p.m. dismissal for Winter Break; classes resume on Monday, January 5 |
| January 5 Monday | Classes resume |
| January 19 Monday | SCHOOL CLOSED: Martin Luther King, Jr. Day |
| January 20 Tuesday | UPPER SCHOOL CLOSED: Comment Writing |
| February 13 Friday | SCHOOL CLOSED FOR STUDENTS: Professional Development Day |
| February 16 Monday | SCHOOL CLOSED: Presidents’ Day |
| March 13 Friday | Regular dismissal time for spring break; classes resume on Wednesday, March 25 |
| March 24 Tuesday | SCHOOL CLOSED FOR STUDENTS: Professional Activities Day; Potential Snow Make-Up Day (if necessary) |
| March 25 Wednesday | Classes resume |
| April 3 Friday | SCHOOL CLOSED: Good Friday |
| April 6 Monday | SCHOOL CLOSED: Easter Monday; Potential Snow Make-Up Day (if necessary) |
| May 25 Monday | SCHOOL CLOSED: Memorial Day |
| June 5 Friday | 12:30 p.m. dismissal for summer vacation (Upper School only); 3:15 p.m. dismissal for summer vacation: Lower and Middle School |
| June 8 Monday | Commencement, 11 a.m. |
2025-26 academic year total number of days: 174
