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RIVERDALE C.U.S.D. #100 IL Calendar 26-27

Key dates, holidays, breaks, a downloadable calendar, and frequently asked questions for the 2026–27 school year.

Official School Calendar for Academic Year 2026-2027

RIVERDALE C.U.S.D. #100 Calendar 26-27 Revised

RIVERDALE C.U.S.D. #100 2026–27 calendar dates

DateEvent
Aug 3, 2026New Family In-Person Registration
Aug 17-19, 2026Teacher Institute (No School for Students)
Aug 17, 2026Freshman Orientation
Aug 17, 20266th Grade Open House
Aug 18, 20267th-8th Grade Open House
Aug 19, 2026Elementary Back to School Conferences
Aug 19, 20269th-12th Grade Open House
Aug 20, 2026Elementary Back to School Conferences
Aug 20, 2026First Student Day (6th-8th)
Aug 20, 2026First Student Day (9th-12th)
Aug 21, 2026First Student Day (K-5th)
Aug 24, 2026First Student Day (Pre-K)
Sep 7, 2026Labor Day (No School)
Sep 18, 2026Homecoming (1 Hour Early Dismissal)
Sep 23, 2026Half-day School Improvement
Oct 16, 20261st Quarter Ends
Oct 21-22, 2026Parent/Teacher Conferences
Oct 23, 2026Full-day Parent/Teacher Conferences (No School)
Nov 13, 2026Half-day School Improvement
Nov 25-27, 2026Thanksgiving Break
Dec 18, 20262nd Quarter Ends
Dec 18, 2026Last Student Day Before Break
Dec 21, 2026 - Jan 4, 2027Winter Break
Jan 4, 2027Teacher Institute (No School for Students)
Jan 5, 2027Students Return
Jan 18, 2027Martin Luther King Jr. Birthday (No School)
Feb 5, 2027Half-day School Improvement
Feb 15, 2027Presidents' Day (No School)
Mar 1-2, 2027Pre-K Screening
Mar 12, 20273rd Quarter Ends
Mar 12, 2027Half-day School Improvement
Mar 15-19, 2027Spring Break
Mar 26, 2027Good Friday (No School)
Apr 7, 2027Half-day School Improvement
May 1, 2027Prom Dance
May 4, 2027Pre-K Screening
May 5, 2027Half-day School Improvement
May 10, 2027Senior Award Night
May 16, 2027Graduation
May 20, 20278th Grade Promotion
May 20, 2027Last Pre-K Student Day
May 25, 2027Half-day School Improvement
May 25, 2027Last Student Day
May 25, 20274th Quarter Ends
May 26-28, 2027Emergency Day(s) (Use as Needed)
May 31, 2027Memorial Day (No School)
Jun 1-2, 2027Emergency Day(s) (Use as Needed)
Download this calendar table as PDF

RIVERDALE C.U.S.D. #100 Calendar 26-27 Revised FAQs

When is the first day of school in RIVERDALE C.U.S.D. #100 for 2026-2027?
The first day of school for students in grades 6-12 is August 20, 2026. The first day for K-5 students is August 21, 2026, and the first day for Pre-K students is August 24, 2026.
When is Spring Break in RIVERDALE C.U.S.D. #100 for 2026-2027?
Spring Break is scheduled from March 15-19, 2027. Students return to school after the break.
When is Christmas Break in RIVERDALE C.U.S.D. #100 for 2026-2027?
Christmas Break begins on December 21, 2026 and continues through January 4, 2027.
When is Winter Break in RIVERDALE C.U.S.D. #100 for 2026-2027?
Winter Break is observed from December 21, 2026, through January 4, 2027. Students return on January 5, 2027.
When is Thanksgiving Break in RIVERDALE C.U.S.D. #100 for 2026-2027?
Thanksgiving Break is scheduled for November 25-27, 2026. There is no school during these dates.
When is the last day of school in RIVERDALE C.U.S.D. #100 for 2026-2027?
The last student day for the 2026-2027 school year is May 25, 2027, which is also the end of the fourth quarter.
When is Labor Day in RIVERDALE C.U.S.D. #100 for 2026-2027?
Labor Day is observed on September 7, 2026. There is no school on this day.
When are Parent-Teacher Conferences in RIVERDALE C.U.S.D. #100 for 2026-2027?
Parent-Teacher Conferences are scheduled for October 21-22, 2026, with a full-day conference and no school on October 23, 2026.
When does the first semester end in RIVERDALE C.U.S.D. #100 for 2026-2027?
The first semester ends on December 18, 2026, which is also the last student day before Winter Break.
When is Martin Luther King Jr. Day in RIVERDALE C.U.S.D. #100 for 2026-2027?
Martin Luther King Jr. Day is observed on January 18, 2027. There is no school on this holiday.
When is Presidents' Day in RIVERDALE C.U.S.D. #100 for 2026-2027?
Presidents' Day falls on February 15, 2027. Students and staff do not attend school on this day.
When is Good Friday in RIVERDALE C.U.S.D. #100 for 2026-2027?
Good Friday is observed on March 26, 2027. There is no school on this day.
When does the third quarter end in RIVERDALE C.U.S.D. #100 for 2026-2027?
The third quarter ends on March 12, 2027.
When is Graduation in RIVERDALE C.U.S.D. #100 for 2026-2027?
Graduation is scheduled for May 16, 2027.
When is 8th Grade Promotion in RIVERDALE C.U.S.D. #100 for 2026-2027?
The 8th Grade Promotion ceremony will take place on May 20, 2027.
Are there emergency days built into the RIVERDALE C.U.S.D. #100 Calendar 2026-2027?
Yes. Emergency days are reserved for May 26-28, 2027 and June 1-2, 2027, if needed.

Dates can change after publication. Read our calendar disclaimer.