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,
July
26
Monday,
July
27
Tuesday,
July
28
Wednesday,
July
29
Thursday,
July
30
Friday,
July
31
Saturday,
August
1
Sunday,
August
2
Monday,
August
3
Tuesday,
August
4
Wednesday,
August
5
Thursday,
August
6
Friday,
August
7
Saturday,
August
8
Sunday,
August
9
Tuesday,
August
11
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,
August
12
Thursday,
August
13
Friday,
August
14
Saturday,
August
15
Sunday,
August
16
Monday,
August
17
Tuesday,
August
18
Wednesday,
August
19
Thursday,
August
20
Friday,
August
21
Saturday,
August
22
Sunday,
August
23
Monday,
August
24
Tuesday,
August
25
D300 Board of Education
Board of Education Meeting
-
Anne B. Miller Board Room, 2550 Harnish Drive, Algonquin, IL 60102
Wednesday,
August
26
Thursday,
August
27
Friday,
August
28
Saturday,
August
29
Sunday,
August
30
Monday,
August
31
Tuesday,
September
1
Thursday,
September
3
Friday,
September
4
Saturday,
September
5
Calendar Search
Date Range
-
Sun
Mon
Tue
Wed
Thu
Fri
Sat
Sunday,
July
26
Monday,
July
27
Tuesday,
July
28
Wednesday,
July
29
Thursday,
July
30
Friday,
July
31
Saturday,
August
1
Sunday,
August
2
Monday,
August
3
Tuesday,
August
4
Wednesday,
August
5
Thursday,
August
6
Friday,
August
7
Saturday,
August
8
Sunday,
August
9
Tuesday,
August
11
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,
August
12
Thursday,
August
13
Friday,
August
14
Saturday,
August
15
Sunday,
August
16
Monday,
August
17
Tuesday,
August
18
Wednesday,
August
19
Thursday,
August
20
Friday,
August
21
Saturday,
August
22
Sunday,
August
23
Monday,
August
24
Tuesday,
August
25
D300 Board of Education
Board of Education Meeting
-
Anne B. Miller Board Room, 2550 Harnish Drive, Algonquin, IL 60102
Wednesday,
August
26
Thursday,
August
27
Friday,
August
28
Saturday,
August
29
Sunday,
August
30
Monday,
August
31
Tuesday,
September
1
Thursday,
September
3
Friday,
September
4
Saturday,
September
5
Fine Arts Calendar
Date Range
-
Sun
Mon
Tue
Wed
Thu
Fri
Sat
Sunday,
July
26
Monday,
July
27
Tuesday,
July
28
Wednesday,
July
29
Thursday,
July
30
Friday,
July
31
Saturday,
August
1
Sunday,
August
2
Monday,
August
3
Tuesday,
August
4
Wednesday,
August
5
DCHS Marching Band Family Show
-
Dundee-Crown High School, Northwest Suburbs, 1500 Kings Rd, Carpentersville, IL 60110, USA
Thursday,
August
6
Friday,
August
7
Saturday,
August
8
Sunday,
August
9
Monday,
August
10
Tuesday,
August
11
Wednesday,
August
12
Thursday,
August
13
Friday,
August
14
Saturday,
August
15
Sunday,
August
16
Monday,
August
17
Tuesday,
August
18
Wednesday,
August
19
Thursday,
August
20
Friday,
August
21
Saturday,
August
22
Sunday,
August
23
Monday,
August
24
Tuesday,
August
25
Wednesday,
August
26
ALES|EVES 5th Grade Band & Orchestra Enrollment Night
-
Algonquin Lakes Elementary School, 1401 Compton Dr, Algonquin, IL 60102, USA
Thursday,
August
27
Friday,
August
28
Saturday,
August
29
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