Academic Calendar 2021 – 2022

September 2021

  • Mothers Luncheon | Wednesday, September 8 | Boxed Lunch Picnic in the Park at Wonch | 1:00p.m.
  • Open Houses | Friday, September 10 at ONS | 10:00a.m. - 2:00p.m.
  • Fall Term Begins | Monday, September 13 (Tuesday, September 14 for the TTh morning class)

      • October 2021

      • Halloween Parties | Thursday, October 28 a.m. | Friday, October 29 a.m. and p.m.

      November 2021

      • Thanksgiving Parties | Monday, November 22 a.m. | Tuesday, November 23 a.m. and p.m.
      • Thanksgiving Recess | Wednesday – Friday, November 24 – 26

      December 2021

      • Holiday Parties | Thursday, December 9 - a.m. and Friday, December 10 a.m. and p.m.
      • Last Day of Regular School | Friday, December 10
      • Winter Break | Monday, December 13 thru Sunday, January 2, 2022

      January 2022

      • Winter Term Begins | Monday, January 3, 2022
      • Martin Luther King Jr. Day Observance | Monday, January 17

      February 2022

      • Valentine’s Day Parties | Thursday, February 10 a.m. and Monday, February 14 a.m. and p.m.
      • Mid Winter Recess | Monday, February 21 thru Tuesday, February 22

      April 2022

      • Spring Break | Monday, March 28 thru Friday, April 8
      • Spring Term Begins | Monday, April 11 (Tuesday April 12 for TTh class)
      • Earth Day | Friday, April 22

      May 2022

      • Memorial Day Observance | Monday, May 30

      June 2022

      • ONS Graduation | Thursday, June 2, 6:00 p.m. | ONS
        (for p.m. kindergarten bound children only)
      • Last day of school/Annual Hot Dog Roast and Picnic| Friday, June 3
      • Summer Art and Nature Workshop 2022 | Tuesday, June 14 – Thursday, July 14

      Term Tuition Payment Dates

      • Wednesday, September 1, 2021
      • Monday, November 22, 2021
      • Monday, March 7, 2022