Community Unit School District 300
Calendar
Calendars and Bell Times - 2026-27
Grade-Level Calendars and Bell Times for the 2026-27 School Year
Calendar Legend
To view the different event categories, please click the '+ District Events' to the right.
Sun
Mon
Tue
Wed
Thu
Fri
Sat
Sunday,
August
30
Monday,
August
31
Tuesday,
September
1
Thursday,
September
3
Friday,
September
4
Saturday,
September
5
Sunday,
September
6
Monday,
September
7
Tuesday,
September
8
D300 Board of Education
Board Operations Committee Meeting
-
District Central Office 2550 Harnish Dr Algonquin, IL 60102
D300 Board of Education
Board of Education Meeting
-
Anne B. Miller Board Room, 2550 Harnish Drive, Algonquin, IL 60102
Wednesday,
September
9
Thursday,
September
10
Friday,
September
11
Saturday,
September
12
Sunday,
September
13
Monday,
September
14
Tuesday,
September
15
Wednesday,
September
16
Thursday,
September
17
Friday,
September
18
Saturday,
September
19
Sunday,
September
20
Monday,
September
21
Tuesday,
September
22
D300 Board of Education
Board of Education Meeting
-
Anne B. Miller Board Room, 2550 Harnish Drive, Algonquin, IL 60102
Wednesday,
September
23
Thursday,
September
24
Friday,
September
25
Saturday,
September
26
Sunday,
September
27
Monday,
September
28
Tuesday,
September
29
Thursday,
October
1
Friday,
October
2
Saturday,
October
3
Calendar Search
Date Range
-
Sun
Mon
Tue
Wed
Thu
Fri
Sat
Sunday,
August
30
Monday,
August
31
Tuesday,
September
1
Thursday,
September
3
Friday,
September
4
Saturday,
September
5
Sunday,
September
6
Monday,
September
7
Tuesday,
September
8
D300 Board of Education
Board Operations Committee Meeting
-
District Central Office 2550 Harnish Dr Algonquin, IL 60102
D300 Board of Education
Board of Education Meeting
-
Anne B. Miller Board Room, 2550 Harnish Drive, Algonquin, IL 60102
Wednesday,
September
9
Thursday,
September
10
Friday,
September
11
Saturday,
September
12
Sunday,
September
13
Monday,
September
14
Tuesday,
September
15
Wednesday,
September
16
Thursday,
September
17
Friday,
September
18
Saturday,
September
19
Sunday,
September
20
Monday,
September
21
Tuesday,
September
22
D300 Board of Education
Board of Education Meeting
-
Anne B. Miller Board Room, 2550 Harnish Drive, Algonquin, IL 60102
Wednesday,
September
23
Thursday,
September
24
Friday,
September
25
Saturday,
September
26
Sunday,
September
27
Monday,
September
28
Tuesday,
September
29
Thursday,
October
1
Friday,
October
2
Saturday,
October
3
Fine Arts Calendar
Date Range
-
Sun
Mon
Tue
Wed
Thu
Fri
Sat
Sunday,
August
30
Monday,
August
31
BTES|GDW|HES 5th Grade Band & Orchestra Enrollment Night
-
Hampshire Middle School, 560 S State St, Hampshire, IL 60140
Tuesday,
September
1
Wednesday,
September
2
Thursday,
September
3
DHES|GES|LES|SHES 5th Grade Band & Orchestra Enrollment Night
-
Liberty Elementary School, 6500 Miller Rd, Carpentersville, IL 60110
Friday,
September
4
Saturday,
September
5
Sunday,
September
6
Monday,
September
7
Tuesday,
September
8
LITH|LPES|NES|WCS 5th Grade Band & Orchestra Enrollment Night
-
Westfield Community School, 2100 Sleepy Hollow Rd, Algonquin, IL 60102
Wednesday,
September
9
GVES|LWES|MES|PVES|PES 5th Grade Band & Orchestra Enrollment Night
-
Carpentersville Middle School, 100 Cleveland Ave, Carpentersville, IL 60110
Thursday,
September
10
Friday,
September
11
Saturday,
September
12
JHS Marching Band at Lake Park
All Day
TBD
JHS Marching Band at Lake Park
All Day
TBD
Sunday,
September
13
Monday,
September
14
Tuesday,
September
15
Wednesday,
September
16
Thursday,
September
17
Friday,
September
18
Saturday,
September
19
Wheeling High School, 900 S Elmhurst Rd, Wheeling, IL 60090
Wheeling High School, 900 S Elmhurst Rd, Wheeling, IL 60090
Sunday,
September
20
Monday,
September
21
Tuesday,
September
22
Wednesday,
September
23
Westside String Festival (HMS|WCS|HHS|JHS)
-
Jacobs High School, 2601 Bunker Hill Road, Algonquin, IL 60102
Thursday,
September
24
Friday,
September
25
Sunday,
September
27
Monday,
September
28
Tuesday,
September
29
Wednesday,
September
30
DCHS Choirs Under Construction Concert
-
Dundee-Crown High School, 1500 Kings Rd, Carpentersville, IL 60110
Thursday,
October
1
Friday,
October
2
DCHS Fall Chamber Strings Concert
-
Dundee-Crown High School, 1500 Kings Rd, Carpentersville, IL 60110
Saturday,
October
3
JHS Marching Band at DG South
All Day
TBD
JHS Marching Band at DG South
All Day
TBD