2025–2026 School Calendars: Nicolet & Glendale-River Hills

Nicolet Union HIgh School

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.

North Shore Family Adventures

North Shore Family Adventures was created by a dad to two (one boy, one girl), who is always looking for entertainment and activities in all season for his kids. His favorite area hike is Lion’s Den Gorge and favorite biking path is the Oak Leaf Trail. Come explore with us.

https://www.northshorefamilyadventures.com/about
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