School Hours 2023-2024

Full Day Schedules

Millburn High School

8:00 a.m. -- 2:36 p.m. 

Millburn Middle School

8:00 a.m. -- 2:50 p.m. 

Elementary Schools (K-4)

8:50 a.m. -- 3:15 p.m.

Washington School (5)

8:55 a.m. -- 3:20 p.m.

Pre-School (at South Mountain School)


Pre-K Integrated A.M. (3-yr. olds)

Pre-K Integrated P.M. (4-yr. olds)

Pre-K Self-Contained

8:30 a.m. –- 11:00 a.m.

12:30 p.m. -- 3:00 p.m.

8:30 a.m. – 3:00 pm

Delayed Opening Times

(2-hour morning delay (For staff development, weather or emergency)
School Day ends at usual time

High School:

10:00 a.m. – 2:36 p.m.

Middle School:

10:00 a.m. – 2:50 p.m.

Elementary Schools (K-4)

10:50 a.m. – 3:15 p.m.

Washington School (5)

10:55 a.m. – 3:20 p.m.


Pre-K AM Class 3s

Pre-K PM Class 4s

PreK Self-Contained

10:30 a.m. – 12:00 p.m.

1:30 p.m. – 3:00 p.m.

10:30 a.m. – 3:00 p.m.



Early Dismissal Days

(For staff development, weather or emergency) 

High School:

8:00 a.m. -- 12:30 p.m.

Middle School:

8:00 a.m. -- 12:30 p.m.

Elementary Schools (K-4)

8:50 a.m. -- 1:00 p.m.

Washington School (5)

8:55 a.m. –- 1:05 p.m.


Pre-K AM Class 3s

Pre-K PM Class 4s

PreK Self-Contained

8:30 a.m. – 11:00 am

11:15 a.m. – 12:45 p.m.

8:30 a.m. – 12:45 p.m.

EARLY DISMISSAL (Weather-related)


Emergency Weather Closing Procedures 2023-2024

Snow Days:  

  • We have three “emergency closing days” built into the 2023-2024 school calendar.

  • For the days when there is a forecast for extreme winter weather (blizzard, nor’easter, ice storm, power outages, etc.), all schools will be closed for “traditional” snow days. 

  • If we must use more than three days for school closings, additional days will be taken away from the April Break. 

Delayed Opening: 

  • When inclement weather is forecast to happen during the night or early morning hours, whenever possible we alert families and staff the day before a schedule change, in order for everyone to be prepared with supplies and childcare.

  • If we need to monitor conditions overnight, we will call as early in the morning as possible.

Early Dismissal:

  • When inclement weather is predicted to begin during the school day, we will plan ahead for an early dismissal. 

  • The schedule will be based on the forecast. 

School Announcements:

  • Announcements of school closures, delays or early dismissals are made through the automated notification system.  Please be sure your contact information is up to date in the PowerSchool Parent Portal.