Community High School District 155 issued the following announcement on May 24.
Summer School Registration is now open. Visit the D155 Summer School webpage for more information and to download the registration form. Students who will be recommended for extended school year – special education will receive more information in the mail after spring break.
Important Dates:
Registration Begins: March 5
First Semester Registration Deadline: April 27
Second Semester Registration Deadline: May 31
First Semester: May 30 - June 19
Second Semester: June 20 - July 11
No Classes: July 4
Original source can be found here.