| August 19, 2009 |
Freshman Orientation |
| August 20, 2009 |
Classes Begin |
| August 27, 2009 |
Late Arrival - Teacher Plan |
| September 2, 2009 |
Open House A-L |
| September 3, 2009 |
Late Arrival |
| September 7, 2009 |
Labor Day - No School |
| September 10, 2009 |
Open House M-Z |
| September 11, 2009 |
Late Arrival |
| September 28, 2009 |
Yom Kippur - No School |
| October 1, 2009 |
Late Arrival - Staff Development |
| October 2, 2009 |
First Grading Period Ends |
| October 10, 2009 |
Homecoming Dance |
| October 12, 2009 |
Columbus Day - No School |
| October 29, 2009 |
PLAN and Explore Tests |
| November 5, 2009 |
Late Arrival - Teacher Plan |
| November 11, 2009 |
Veterans Day - No School |
| November 13, 2009 |
Second Grading Period Ends |
| November 25, 2009 |
2:30 Dismissal |
| November 26-27, 2009 |
Thanksgiving Break - No School |
| December 3, 2009 |
Late Arrival - Staff Development |
| December 21, 2009-January 1, 2010 |
Winter Break |
| January 4, 2010 |
Classes Resume |
| January 8, 2010 |
Third Grading Period Ends |
| January 11-13, 2010 |
Final Exams |
| January 14, 2010 |
Institute Day - No School |
| January 15, 2010 |
No School |
| January 18, 2010 |
Martin Luther King Jr. Day - No School |
| January 19, 2010 |
Second Semester Begins |
| January 28, 2010 |
Late Arrival - Teacher Plan |
| February 2-3, 2010 |
Odyssey |
| February 15, 2010 |
Presidents Day - No School |
| February 18, 2010 |
Late Arrival - Staff Development |
| February 25, 2010 |
Fourth Grading Period Ends |
| February 26, 2010 |
Institute Day - No School |
| March 1, 2010 |
Casimir Pulaski Day - No School |
| March 18, 2010 |
Late Arrival - Teacher Plan |
| March 26, 2010 |
No School |
| March 29-April 2, 2010 |
Spring Break |
| April 5, 2010 |
Classes Resume |
| April 16, 2010 |
Fifth Grading Period Ends |
| April 22, 2010 |
Late Arrival - Staff Development |
| April 28-29, 2010 |
Prairie State Achievement Exams |
| May 3-14, 2010 |
Advanced Placement Exams |
| May 15, 2010 |
Prom |
| May 27, 2010 |
Sixth Grading Period Ends |
| May 28, 2010 |
Final Exams |
| May 31, 2010 |
Memorial Day - No School |
| June 1-2, 2010 |
Final Exams |
| June 3, 2010 |
Graduation |