Back To School: District 91 2026-27 School Year Calendar

LOCKPORT, IL — Milne-Kelvin Grove District 91 students will head back to school in less than a month. The first day of school for students is Aug. 19.

District 91's school year will then wrap up on May 27, 2027.

If you're trying to plan out the rest of the school year, here are some other important dates to know:

• Aug. 19, first day of school, grades K-8
• Sept. 7, Labor Day, no school
• Sept. 9, late start day
• Sept. 18, early dismissal
• Oct. 7, late start day
• Oct. 12, Columbus Day, no school
• Oct. 23, early dismissal
• Nov. 11, late start day
• Nov. 23-24, parent-teacher conferences
• Nov. 25-27, Thanksgiving break, no school
• Dec. 9, late start day
• Dec. 18, early dismissal
• Dec. 21-Jan. 3, winter break, no school
• Jan. 4, institute day, no school
• Jan. 5, school resumes
• Jan. 13, late start day
• Jan. 18, MLK Day, no school
• Feb. 12, early dismissal
• Feb. 15, Presidents Day, no school
• Feb. 26, teacher institute, no school
• March 1, Casimir Pulaski Day, no school
• March 10, late start day
• March 26-April 4, spring break, no school
• April 5, school resumes
• April 14, late start day
• May 12, late start day
• May 27, tentative last day of school, early dismissal