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Riley CCSD 18 — District Profile & Schools

Marengo, Illinois · McHenry County

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Key Dates — Riley CCSD 18 School Calendar

The first day of school in Riley CCSD 18 is Wed, Aug 19, 2026, and the last day of school is Thu, May 27, 2027, according to the district's published calendar. Scheduled breaks include Winter Break (Mon, Dec 21, 2026 to Mon, Jan 4, 2027), SPRING BREAK (Mon, Mar 29, 2027 to Fri, Apr 2, 2027).

First day of school
Wed, Aug 19, 2026
Last day of school
Thu, May 27, 2027
Winter Break
Mon, Dec 21, 2026 to Mon, Jan 4, 2027
SPRING BREAK
Mon, Mar 29, 2027 to Fri, Apr 2, 2027
NO SCHOOL-Labor Day
Mon, Sep 7, 2026
NO SCHOOL-Columbus Day
Mon, Oct 12, 2026
NO SCHOOL Parent/Teacher Conferences
Mon, Nov 2, 2026
NO SCHOOL-Non Attendance Day
Wed, Nov 25, 2026 to Fri, Nov 27, 2026
NO SCHOOL-Thanksgiving Day
Thu, Nov 26, 2026
NO SCHOOL Teacher Institute
Mon, Jan 4, 2027
NO SCHOOL-Martin Luther King, Jr. Day
Mon, Jan 18, 2027
NO SCHOOL-President's Day
Mon, Feb 15, 2027
NO SCHOOL-Full Day Inservice
Thu, Mar 25, 2027
NO SCHOOL-Non Attendance Day
Fri, Mar 26, 2027
261
Students
1
Schools
1 elem · 0 mid · 0 high
11.9:1
Student-Teacher
22 teachers
0 - 8
Grades

Quick Facts

261
Avg. School Size
44
Total Staff

Riley CCSD 18 Calendar

64 events

Source

Wed, Jul 15

Event

School Board Meeting (If Necessary)

Mon, Aug 10

Event

6th Grade "Sneak Peek" Orientation

Meet in the school cafeteria.

Aug 12 - 14

PD Day

Teacher Institute

Aug 17 - 18

Event

Non Attendance Day

Wed, Aug 19

Event

School Board Meeting

Wed, Aug 19

Event

FIRST DAY OF SCHOOL K-8TH

Mon, Aug 31

Event

VOLLEYBALL GAME: Home vs. Genoa-Kingston

Wed, Sep 2

Event

SOCCER GAME: @ Cambridge Lakes

Wed, Sep 2

Event

GIRLS VOLLEYBALL: @ Cambridge Lakes

Mon, Sep 7

Holiday

NO SCHOOL-Labor Day

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Data source: official Riley CCSD 18 website · How we verify this data

Contact

Address
9406 Riley Rd
Marengo, IL 60152
Phone
(815)568-8637

Staff & Students

Teachers (FTE)
22
Total Staff
44
Data Source
NCES Common Core of Data
School Year 2023-24

Frequently Asked Questions about Riley CCSD 18

The first day of school in Riley CCSD 18 is Wed, Aug 19, 2026, according to the district's published calendar.

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