August 2026
Aug 17–18Teacher In-Service Days (No Students)
Aug 19Dorms Open
Aug 20First Day of School · Back to School BBQ
Aug 26Grades 1–8 Curriculum Night · 12th Grade College/Yeshiva Planning Night
September 2026
Sep 2Grades 9–12 Curriculum Night
Sep 7Labor Day — No School
Sep 11Erev Rosh Hashana — No School
Sep 12–13Rosh Hashana — No School
Sep 14Tzom Gedaliah — CYOS 2:00 PM Dismissal
Sep 20Erev Yom Kippur — No School
Sep 21Yom Kippur — No School
Sep 24Dorm Closes
Sep 25–Oct 4Sukkot / Shmini Atzeret / Simchat Torah — No School
October 2026
Oct 5Classes Resume · Dorms Open
November 2026
Nov 13End of Quarter 1 · First 2:00 PM Friday Dismissal
Nov 1811:30 AM Dismissal — Parent/Teacher Conferences
Nov 24Dorm Closes
Nov 25Thanksgiving Break — 11:30 AM Dismissal
Nov 26–27Thanksgiving Break — No School
Nov 30Dorm Reopens
December 2026
Dec 4Grandparents Day · Chanukah Begins
Dec 14–17CYOS Midterm Exams
Dec 17Dorm Closes
Dec 21–Jan 1Winter Break — No School
January 2027
Jan 4Classes Resume · Dorm Reopens
Jan 16CYHSB Alumni Basketball Game
Jan 18Dr. Martin Luther King Jr. Day — No School
February 2027
Feb 15Presidents’ Day — No School
March 2027
Mar 22Ta‘anit Esther / Erev Purim — No School
Mar 23Purim — No School
April 2027
Apr 15Dorm Closes
Apr 16Last Day of Classes Before Passover — 2:00 PM Dismissal
Apr 19–May 1Passover Break — No School
May 2027
May 2Dorm Reopens
May 3Classes Resume
May 31Memorial Day — No School
June 2027
Jun 38th Grade Advancement (7:00 PM)
Jun 4Last Day of School — 2:00 PM Dismissal
Jun 6Kindergarten Graduation (10:30 AM) · 12th Grade Graduation (7:00 PM)
Jun 10–12Shavuot — No School