Seattle Preparatory School 2026-2027 Calendar https://seattlepreparatory.tandem.co/ Key dates for Seattle Preparatory School. en-us 8/17/26 - 8/18/26 New Employee Orientation Days https://seattlepreparatory.tandem.co/index.php?type=key_date&action=details&id=61377 61377-seattlepreparatory@intand.com 8/19/26 Football Begins https://seattlepreparatory.tandem.co/index.php?type=key_date&action=details&id=61378 61378-seattlepreparatory@intand.com 8/20/26 - 8/21/26 Faculty/Staff Meeting Days https://seattlepreparatory.tandem.co/index.php?type=key_date&action=details&id=61379 61379-seattlepreparatory@intand.com 8/24/26 - 8/26/26 Faculty/Staff Meeting Days https://seattlepreparatory.tandem.co/index.php?type=key_date&action=details&id=61380 61380-seattlepreparatory@intand.com 8/24/26 Fall Sports Begin https://seattlepreparatory.tandem.co/index.php?type=key_date&action=details&id=61381 61381-seattlepreparatory@intand.com 8/24/26 Senior/Junior Orientation Day https://seattlepreparatory.tandem.co/index.php?type=key_date&action=details&id=61382 61382-seattlepreparatory@intand.com 8/25/26 Sophomore/Freshman Orientation Day 1 https://seattlepreparatory.tandem.co/index.php?type=key_date&action=details&id=61383 61383-seattlepreparatory@intand.com 8/26/26 Freshman Orientation Day 2 https://seattlepreparatory.tandem.co/index.php?type=key_date&action=details&id=61384 61384-seattlepreparatory@intand.com 8/27/26 First Day of Classes https://seattlepreparatory.tandem.co/index.php?type=key_date&action=details&id=61385 61385-seattlepreparatory@intand.com 9/7/26 Labor Day (No School) https://seattlepreparatory.tandem.co/index.php?type=key_date&action=details&id=61386 61386-seattlepreparatory@intand.com 9/21/26 Faculty/Staff In-Service Day (No School) https://seattlepreparatory.tandem.co/index.php?type=key_date&action=details&id=61387 61387-seattlepreparatory@intand.com 10/9/26 PSAT Testing Day (No School) https://seattlepreparatory.tandem.co/index.php?type=key_date&action=details&id=61388 61388-seattlepreparatory@intand.com 10/12/26 - 10/16/26 Homecoming Week https://seattlepreparatory.tandem.co/index.php?type=key_date&action=details&id=61389 61389-seattlepreparatory@intand.com 10/19/26 Faculty In-Service Day (No School) https://seattlepreparatory.tandem.co/index.php?type=key_date&action=details&id=61390 61390-seattlepreparatory@intand.com 10/27/26 Open House https://seattlepreparatory.tandem.co/index.php?type=key_date&action=details&id=61391 61391-seattlepreparatory@intand.com 10/28/26 Student Support Day (No Classes) https://seattlepreparatory.tandem.co/index.php?type=key_date&action=details&id=61392 61392-seattlepreparatory@intand.com 11/2/26 Schedule Rotation (3, 5, 7, 1) https://seattlepreparatory.tandem.co/index.php?type=key_date&action=details&id=61393 61393-seattlepreparatory@intand.com 11/3/26 Schedule Rotation (4, LS, 6, 2, W) https://seattlepreparatory.tandem.co/index.php?type=key_date&action=details&id=61394 61394-seattlepreparatory@intand.com 11/11/26 Verterans' Day (No School) https://seattlepreparatory.tandem.co/index.php?type=key_date&action=details&id=61395 61395-seattlepreparatory@intand.com 11/20/26 SPREE https://seattlepreparatory.tandem.co/index.php?type=key_date&action=details&id=61396 61396-seattlepreparatory@intand.com 11/25/26 - 11/27/26 Thanksgiving Break (No School) https://seattlepreparatory.tandem.co/index.php?type=key_date&action=details&id=61397 61397-seattlepreparatory@intand.com 11/30/26 - 12/4/26 Global Perspectives Week https://seattlepreparatory.tandem.co/index.php?type=key_date&action=details&id=61398 61398-seattlepreparatory@intand.com 12/21/26 - 1/1/27 Christmas Break (No School) https://seattlepreparatory.tandem.co/index.php?type=key_date&action=details&id=61399 61399-seattlepreparatory@intand.com 1/4/27 Classes Resume https://seattlepreparatory.tandem.co/index.php?type=key_date&action=details&id=61400 61400-seattlepreparatory@intand.com 1/18/27 Martin Luther King Jr. Day (No School) https://seattlepreparatory.tandem.co/index.php?type=key_date&action=details&id=61401 61401-seattlepreparatory@intand.com 1/19/27 - 1/22/27 Semester 1 Final Assessments https://seattlepreparatory.tandem.co/index.php?type=key_date&action=details&id=61402 61402-seattlepreparatory@intand.com 1/25/27 Correction Day (No School) https://seattlepreparatory.tandem.co/index.php?type=key_date&action=details&id=61403 61403-seattlepreparatory@intand.com 1/26/27 Schedule Rotation (5, 7, 1, 3) https://seattlepreparatory.tandem.co/index.php?type=key_date&action=details&id=61405 61405-seattlepreparatory@intand.com 1/26/27 Semester 2 Begins https://seattlepreparatory.tandem.co/index.php?type=key_date&action=details&id=61404 61404-seattlepreparatory@intand.com 1/27/27 Schedule Rotation (6, LS, 2, 4, W) https://seattlepreparatory.tandem.co/index.php?type=key_date&action=details&id=61406 61406-seattlepreparatory@intand.com 1/28/27 - 1/29/27 Freshman Retreat https://seattlepreparatory.tandem.co/index.php?type=key_date&action=details&id=61407 61407-seattlepreparatory@intand.com 1/28/27 - 1/29/27 Retreat Week (No School) https://seattlepreparatory.tandem.co/index.php?type=key_date&action=details&id=61408 61408-seattlepreparatory@intand.com 1/28/27 - 1/30/27 Young Men's/Young Women's Retreat https://seattlepreparatory.tandem.co/index.php?type=key_date&action=details&id=61409 61409-seattlepreparatory@intand.com 2/15/27 - 2/16/27 Presidents' Holiday (No School) https://seattlepreparatory.tandem.co/index.php?type=key_date&action=details&id=61410 61410-seattlepreparatory@intand.com 2/24/27 Faculty/Staff Half Day In-Service https://seattlepreparatory.tandem.co/index.php?type=key_date&action=details&id=61411 61411-seattlepreparatory@intand.com 3/1/27 Spring Sports Begins https://seattlepreparatory.tandem.co/index.php?type=key_date&action=details&id=61412 61412-seattlepreparatory@intand.com 3/8/27 - 3/12/27 Olympic Week https://seattlepreparatory.tandem.co/index.php?type=key_date&action=details&id=61413 61413-seattlepreparatory@intand.com 3/15/27 St. Stanislaus Kostka Day (No School) https://seattlepreparatory.tandem.co/index.php?type=key_date&action=details&id=61414 61414-seattlepreparatory@intand.com 3/16/27 Spring Sports Schedule Begins https://seattlepreparatory.tandem.co/index.php?type=key_date&action=details&id=61415 61415-seattlepreparatory@intand.com 3/22/27 Faculty Retreat Day (No School) https://seattlepreparatory.tandem.co/index.php?type=key_date&action=details&id=61416 61416-seattlepreparatory@intand.com 3/26/27 Good Friday (No School) https://seattlepreparatory.tandem.co/index.php?type=key_date&action=details&id=61417 61417-seattlepreparatory@intand.com 3/29/27 - 4/2/27 Easter Break (No School) https://seattlepreparatory.tandem.co/index.php?type=key_date&action=details&id=61418 61418-seattlepreparatory@intand.com 4/5/27 Classes Resume https://seattlepreparatory.tandem.co/index.php?type=key_date&action=details&id=61419 61419-seattlepreparatory@intand.com 4/9/27 SAT Testing Day for Juniors (No School) https://seattlepreparatory.tandem.co/index.php?type=key_date&action=details&id=61420 61420-seattlepreparatory@intand.com 4/12/27 Schedule Rotation (2, LS, 4, 6) https://seattlepreparatory.tandem.co/index.php?type=key_date&action=details&id=61421 61421-seattlepreparatory@intand.com 4/13/27 Schedule Rotation (7, 1, 3, 5) https://seattlepreparatory.tandem.co/index.php?type=key_date&action=details&id=61422 61422-seattlepreparatory@intand.com 4/14/27 Student Support Day (No Classes) https://seattlepreparatory.tandem.co/index.php?type=key_date&action=details&id=61423 61423-seattlepreparatory@intand.com 4/19/27 - 4/23/27 Peace & Justice Week https://seattlepreparatory.tandem.co/index.php?type=key_date&action=details&id=61424 61424-seattlepreparatory@intand.com 5/3/27 - 5/7/27 AP Exams https://seattlepreparatory.tandem.co/index.php?type=key_date&action=details&id=61425 61425-seattlepreparatory@intand.com 5/10/27 - 5/14/27 AP Exams https://seattlepreparatory.tandem.co/index.php?type=key_date&action=details&id=61426 61426-seattlepreparatory@intand.com 5/10/27 - 5/14/27 Arts Week https://seattlepreparatory.tandem.co/index.php?type=key_date&action=details&id=61427 61427-seattlepreparatory@intand.com 5/25/27 Last Class Day for Seniors/Senior Celebration https://seattlepreparatory.tandem.co/index.php?type=key_date&action=details&id=61428 61428-seattlepreparatory@intand.com 5/26/27 Last Campus Day for Seniors/Goodbye Assembly https://seattlepreparatory.tandem.co/index.php?type=key_date&action=details&id=61429 61429-seattlepreparatory@intand.com 5/28/27 Class of 2027 Baccalaureate Mass https://seattlepreparatory.tandem.co/index.php?type=key_date&action=details&id=61430 61430-seattlepreparatory@intand.com 5/31/27 Memorial Day (No School) https://seattlepreparatory.tandem.co/index.php?type=key_date&action=details&id=61431 61431-seattlepreparatory@intand.com 6/1/27 Class of 2027 Graduation https://seattlepreparatory.tandem.co/index.php?type=key_date&action=details&id=61432 61432-seattlepreparatory@intand.com 6/2/27 - 6/3/27 Model UN for Sophomores https://seattlepreparatory.tandem.co/index.php?type=key_date&action=details&id=61433 61433-seattlepreparatory@intand.com 6/7/27 - 6/10/27 Semester 2 Final Assessments https://seattlepreparatory.tandem.co/index.php?type=key_date&action=details&id=61434 61434-seattlepreparatory@intand.com 6/10/27 Last Day of Classes https://seattlepreparatory.tandem.co/index.php?type=key_date&action=details&id=61435 61435-seattlepreparatory@intand.com 6/11/27 Correction Day (No School) https://seattlepreparatory.tandem.co/index.php?type=key_date&action=details&id=61436 61436-seattlepreparatory@intand.com