2025–2026 School Calendars: Nicolet & Glendale-River Hills
If you have students in Nicolet High School or Glendale-River Hills schools, we’ve made it easy to keep track of all the important dates for the upcoming academic year. Here’s what families need to know to stay organized and make the most of the school year.
Nicolet High School District Calendar: Key Dates
🗓️ First Day of School
Tuesday, September 2, 2025
No School – Students & Staff
September 1 – Labor Day
October 3 – Professional Development
October 30–31 – Parent-Teacher Conferences
November 26–28 – Thanksgiving Break
December 23–31 – Winter Break
January 1–2 & 19 – Winter Break continues + MLK Day
February 16 – Staff PD / Holiday
March 13 – Parent-Teacher Conferences
March 30–31 – Spring Break
April 1–3 – Spring Break
May 25 – Memorial Day
🎓 Exams & Graduation
January 20–23 – Semester 1 Exams
June 9–12 – Semester 2 Exams
June 7 – Graduation (tentative)
Glendale-River Hills School District Calendar: Key Dates
🗓️ First Day of School
Tuesday, September 2, 2025
No School – Students & Staff
September 1 – Labor Day
September 30 – Rosh Hashanah
October 3 – Teacher Professional Development
October 30–31 – Parent-Teacher Conferences & Records
November 26–28 – Thanksgiving Break
December 23–31 – Winter Break
January 1–2 & 19 – Winter Break continues + MLK Day
February 16 – Staff Workshop Day
March 13 – Staff PD / Records
March 30–31 – Spring Break
April 1–3 – Spring Break
April 24 – Conferences
May 25 – Memorial Day
June 10 – Last Day (Early Dismissal, Parkway Dismissal 11 am/noon)
June 11 – Teacher Professional DevelopmenT
📚 Trimester Schedule
Trimester 1 Ends: December 2
Trimester 2 Ends: March 6
Trimester 3 Begins: March 9
Trimester 3 Ends: June 10
✅ Quick Tips
Keep an eye on Parent-Teacher Conferences (often scheduled in the evening).
Note the multiple Spring Breaks overlap between districts—great for vacation planning.
Early dismissals and professional development days vary slightly between districts—check your school’s site for specific release times.
For more family-friendly guides, school updates, and event roundups across the North Shore, keep following North Shore Family Adventures.