Principia Calendar
Sunday, August 1, 2021 - Tuesday, May 31, 2022

Thursday, August 19

7:00pm - 9:00pm 

Town & Country Symphony Rehearsal (Band Hall) - Band Hall

Tuesday, August 24

8:15am 

Acorn Play-in First Day

Wednesday, August 25

8:15am 

Acorn Co-op First Day

Thursday, August 26

7:00pm - 9:00pm 

Town & Country Symphony Rehearsal (Band Hall) - Band Hall

Thursday, September 2

8:30am 

Parent/Infant Seminar - first day - Acorn classroom

7:00pm - 9:00pm 

Town & Country Symphony Rehearsal (Band Hall) - Band Hall

Tuesday, September 7

 

PS Picture Day - Preschool

Thursday, September 9

7:00pm - 9:00pm 

Town & Country Symphony Rehearsal (Band Hall) - Band Hall

Saturday, September 11

11:00am - 12:30pm 

ELC/Acorn Family Picnic - ELC Playground

2:30pm - 4:30pm 

Town & Country Symphony Rehearsal (Ridgway Auditorium)

Sunday, September 12

2:30pm - 4:30pm 

Town & Country Symphony Concert - Ridgway

Thursday, September 16

7:00pm - 9:00pm 

Town & Country Symphony Rehearsal (Band Hall) - Band Hall

Tuesday, September 21

7:30pm - 8:30pm 

PS Back-to-School Night - PS Gym

Thursday, September 23

7:00pm - 9:00pm 

Town & Country Symphony Rehearsal (Band Hall) - Band Hall

Thursday, September 30

 

US Reunion Weekend

4:00pm - 8:00pm 

PS Parent Conferences

Friday, October 1

 

US Reunion Weekend

8:00am - 3:00pm 

PS Parent Conferences

2:15pm 

Band Affinity Alumni Concert - Ridgway Auditorium

Saturday, October 2

 

US Reunion Weekend

Sunday, October 3

 

US Reunion Weekend

Thursday, October 7

7:00pm - 9:00pm 

Town & Country Symphony Rehearsal - Band Hall

Thursday, October 14

7:00pm - 9:00pm 

Town & Country Symphony Rehearsal - Band Hall

Friday, October 15

 

ELC closed

 

Fall Break-NO SCHOOL (All Levels)

Saturday, October 16

 

Fall Break-NO SCHOOL (All Levels)

Sunday, October 17

 

Fall Break-NO SCHOOL (All Levels)

Monday, October 18

 

ELC closed

 

Fall Break-NO SCHOOL (All Levels)

Thursday, October 21

8:10am - 12:00pm 

PS Picture Retakes

Tuesday, October 26

 

Acorn Halloween Party - Acorn classrooms

Friday, October 29

8:45am - 10:00am 

PS Halloween Parade and Parties - Preschool classrooms

Saturday, October 30

9:00am - 1:00pm 

Zoo Day - hosted by Admissions/Alumni Relations

2:30pm - 4:30pm 

Town & Country Symphony Rehearsal - Ridgway

Sunday, October 31

2:30pm - 4:30pm 

Town & Country Symphony Concert - Ridgway

5:30pm - 6:30pm 

Halloween Trick-or-Treating at Aron House

For pre-K and lower school students

5:30pm - 6:30pm 

Trick-or-Treating at Aron House

For Pre-K and Lower School students

5:30pm - 6:30pm 

Trick-or-Treating at Aron House

For Pre-K and Lower School students as well as faculty/staff children.

Thursday, November 4

7:00pm - 9:00pm 

Town & Country Symphony Rehearsal - Band Hall

Tuesday, November 9

6:30pm - 9:00pm 

STL Metro8 Rehearsal - Band-Choir-Jazz Rooms

Thursday, November 11

7:00pm - 9:00pm 

Town & Country Symphony Rehearsal - Band Hall

Friday, November 19

11:30am - 1:30pm 

PS3 Potluck Feast - PS3 classroom

Saturday, November 20

8:00am - 6:00pm 

STL Metro8 Orchestra - Ridgway Auditorium

Wednesday, November 24

 

Thanksgiving Break

Thursday, November 25

 

Thanksgiving Break

 

Thanksgiving Day

Friday, November 26

 

Thanksgiving Break

Sunday, December 5

6:00pm - 8:00pm 

ELC Sugar Plum Decorating Party (for parents)

Monday, December 6

10:15am 

ELC Sugar Plum at Peace Haven

Tuesday, December 7

8:15am - 10:30am 

Acorn Christmas Party (last day of Acorn Play-in) - Acorn classrooms

Wednesday, December 8

8:15am - 9:30am 

Acorn Co-op - last day

9:00am - 10:00am 

ELC Sugar Plum Rehearsal

Thursday, December 9

 

US/MS/LS/PS Last Day

9:00am - 10:00am 

ELC Sugar Plum (PS dismissed after Sugar Plum)

Friday, December 10

5:30pm 

ELC closes for Christmas Break

Saturday, December 11

 

Christmas Break

Sunday, December 12

 

Christmas Break

Monday, December 13

 

Christmas Break

Tuesday, December 14

 

Christmas Break

Wednesday, December 15

 

Christmas Break

Thursday, December 16

 

Christmas Break

Friday, December 17

 

Christmas Break

Saturday, December 18

 

Christmas Break

Sunday, December 19

 

Christmas Break

2:30pm - 4:30pm 

Town & Country Symphony Concert - Ridgway

Monday, December 20

 

Christmas Break

Tuesday, December 21

 

Christmas Break

Wednesday, December 22

 

Christmas Break

Thursday, December 23

 

Christmas Break

Friday, December 24

 

Christmas Break

Saturday, December 25

 

Christmas Break

Sunday, December 26

 

Christmas Break

Monday, December 27

 

Christmas Break

Tuesday, December 28

 

Christmas Break

Wednesday, December 29

 

Christmas Break

Thursday, December 30

 

Christmas Break

Friday, December 31

 

Christmas Break

Saturday, January 1

 

Christmas Break

Sunday, January 2

 

Christmas Break

Tuesday, January 4

 

Classes Resume - All Levels

Monday, January 17

 

Martin Luther King, Jr. Day

 

No School All Levels

Friday, January 21

12:00pm 

Noon dismissal - all levels (for Joint Staff Mtg.)

1:30pm - 4:30pm 

Joint Staff Meeting - College

Tuesday, February 8

8:15am 

Acorn Valentine's Day Party - Acorn

Monday, February 14

10:00am - 11:00am 

PS Valentine's Day Parties - PreSchool classrooms

Tuesday, February 15

8:00pm - 9:00pm 

Kindergarten Info Meeting

Friday, February 18

3:30pm - 4:30pm 

PS4 Authors' Tea - PS4 Classroom

Friday, March 4

 

MS Conferences

Saturday, March 5

9:00am - 11:00am 

Community Open House - hosted by Admissions

Thursday, March 10

3:30pm - 8:30pm 

LS/PS Parent Conferences

Friday, March 11

 

LS/PS No Classes

 

Last Day of Classes

8:00am - 3:30pm 

LS/PS Parent Conferences

Sunday, March 13

 

Daylight Saving Time begins

Monday, March 14

 

ELC Closed

 

Spring Break

Tuesday, March 15

 

ELC Closed

 

Spring Break

Wednesday, March 16

 

ELC Closed

 

Spring Break

Thursday, March 17

 

ELC Closed

 

Spring Break

Friday, March 18

 

ELC Closed

 

Spring Break

Saturday, March 19

 

Spring Break

Sunday, March 20

 

Spring Break

Monday, March 21

 

ELC Closed

 

Spring Break

Tuesday, March 22

 

ELC Closed

 

Spring Break

Wednesday, March 23

 

ELC Closed

 

Spring Break

Thursday, March 24

 

ELC Closed

 

Spring Break

Friday, March 25

 

ELC Closed

 

Spring Break

Sunday, March 27

2:30pm - 4:30pm 

Town & Country Symphony Concert - Ridgway

Monday, March 28

 

Classes Resume - All Levels

 

ELC Open

Friday, April 8

8:00am - 12:00pm 

LS/PS Grandparents Day - noon dismissal

Sunday, April 17

 

Easter Sunday

Saturday, April 23

9:00am - 11:30am 

Registration Celebration - details to come

9:30am - 11:30am 

Acorn Dads' Play-in - Acorn classroom

Friday, May 6

8:10am - 10:30am 

PS4 Family Fun Morning - PS4 Classroom

Thursday, May 12

8:15am - 12:15pm 

Acorn Co-op Last Day

Tuesday, May 17

9:30am - 11:30am 

Acorn Picnic (last day of Acorn) - Drace Park

Thursday, May 19

 

MS/LS/PS Last Day of Classes

Sunday, May 29

2:30pm - 4:30pm 

Town & Country Symphony Concert - Ridgway

Monday, May 30

 

ELC Closed

 

Memorial Day

Tuesday, May 31

 

Summer Childcare Begins

 

Summertime Discovery Begins