Events confirmed from Morrow SD 1's official calendar.
Riverside Junior/Senior High School — School Calendar 2026-27
Boardman, OR 97818
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Upcoming Events
Review the school calendar for the early release time.
Banks, government offices, and schools may be closed.
Banks, government offices, and schools may be closed.
Banks, government offices, and schools may be closed.
Review the calendar for the full break dates.
Review the school calendar for the early release time.
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School Profile
School Statistics
Academics (SY 2020-21)
Programs & Activities (SY 2021-22)
Technology & Internet Access (SY 2021-22)
Staff & Support Services (SY 2021-22)
District Finance (FY 2023)
Community Context
Special Education (IDEA)
District-level data from IDEA Part B · Students ages 3-21 served under IDEA
Source: U.S. Department of Education, IDEA Section 618 Data · District-level counts · Individual school figures may differ
Enrollment Trend (2014-2025)
Coming Up
Review the school calendar for the early release time.
half_dayReview the school calendar for the complete break dates.
BreakBanks, government offices, and schools may be closed.
HolidayFull School Calendar 2026-27
Events marked District-wide apply to all schools in Morrow SD 1. Riverside Junior/Senior High School follows the district calendar.
| Date | Event |
|---|---|
| Mon, Sep 7, 2026 | Labor Day - No SchoolDistrict-wide Review the school calendar for complete holiday break dates. |
| Fri, Sep 11, 2026 | School Day- Student Early ReleaseDistrict-wide |
| Fri, Nov 13, 2026 | Student Day - Early ReleaseDistrict-wide Review the school calendar for the early release time. |
| Wed, Nov 25, 2026 | Thanksgiving Break - No SchoolDistrict-wide Review the school calendar for the complete break dates. |
| Thu, Nov 26, 2026 | Thanksgiving Holiday - No SchoolDistrict-wide Banks, government offices, and schools may be closed. |
| Fri, Nov 27, 2026 | Thanksgiving Break - No SchoolDistrict-wide Review the school calendar for the complete break dates. |
| Fri, Dec 18, 2026 | Winter BreakDistrict-wide Review the calendar for the full break dates. |
| Fri, Dec 18, 2026 | Student Day - Early ReleaseDistrict-wide Review the school calendar for the early release time. |
| Mon, Dec 21, 2026 | Winter BreakDistrict-wide Review the calendar for the full break dates. |
| Mon, Jan 18, 2027 | Martin Luther King Jr. HolidayDistrict-wide Banks, government offices, and schools may be closed. |
| Fri, Jan 22, 2027 | Student Day - Early ReleaseDistrict-wide Review the school calendar for the early release time. |
| Mon, Feb 15, 2027 | President's Day holidayDistrict-wide Banks, government offices, and schools may be closed. |
| Fri, Feb 19, 2027 | Student Day - Early ReleaseDistrict-wide Review the school calendar for the early release time. |
| Mon, Mar 22, 2027 | Spring Break - No SchoolDistrict-wide Review the school calendar for complete spring break dates. |
| Mon, May 31, 2027 | Memorial Day HolidayDistrict-wide Banks, government offices, and schools may be closed. |
Showing 15 events for the 2026-27 school year
Frequently Asked Questions about Riverside Junior/Senior High School
Enrollment at Riverside Junior/Senior High School stands at 496 students. The school is a High institution in the local district.