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If you cannot find the information you are seeking on this page or elsewhere on our website, please submit your questions using the “Contact Us” form.  A JTHS employee will respond to you within one to two business days.

How do I report an absence, early dismissal, or late arrival?

How to report an absence, early dismissal, or late arrival
The parent/guardian must report a student's absence in advance - please do not wait until the last minute. Please report:

  1. Student's full name
  2. Student's school identification number
  3. Date of his absence
  4. Duration of the absence
  5. Reason for the absence

Joliet Central High School please call 815-727-6801 to report an absence.
Joliet West High School, please call 815-727-6900 to report an absence, early dismissal, or late arrival.

What is a School Improvement Day (SIP)?

School Improvement Days, also known as SIP days, are held on Thursday mornings every other week. SIP Days provide time for teachers to talk to each other about student performance, academy identity, basic assessments, interdisciplinary lessons, student rewards and recognition, and best practices for improving student learning.

On SIP Days, students start their day later than normal, following the schedule below:

Schedule A


Schedule B

Period 1

11:20 – 11:45

Period 5A


11:50 – 12:15

Period 5B

Period 4A

12:20 – 12:45

Period 6A

Period 4B

12:50 – 1:15

Period 6B

Period 3

1:20 – 1:45

Period 7A


1:50 -2:15

Period 7B

Period 2

2:20 – 3:15

Period 8


Be sure to add these SIP Days to your calendar:


Schedule A

Schedule B

September 6

Sptember 20

October 4

October 18

November 1

November 15

December 6

January 31

February 14

February 28

March 14

April 11

April 25

May 9

How do I check my student's grades?

Review your student's progress
You can check your student's grades, assignments, and attendance online using the Home Access Center (HAC) program. Visit the following site to learn more.

Visit Home Access Center (HAC) Help 
Visit Home Access Center