DEHighCalendar available · 200 events · Auto-updating
Indian River High School — School Calendar 2026-27
High|Dagsboro, Delaware|Indian River School District
Dagsboro, DE 19945
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Upcoming Events
Jul
27
Mon
Board of Education MeetingEvent
Board of Education meeting at Millsboro Middle School, 7:00 p.m.
Jul
27
Mon
Business MeetingEvent
Jul
27
Mon
Tentative Budget & Millage Rates Public HearingEvent
Jul
27
Mon
Superintendent's WorkshopEvent
Jul
30
Thu
Optional teacher planning dayStaff Day
Instructional work calendarNon-instructional work calendar
Jul
31
Fri
Optional teacher planning dayStaff Day
Instructional work calendarNon-instructional work calendar
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School Profile
Grades
9–12
Enrollment
1,092
Student:Teacher
13.3:1
Locale
Rural
District
Indian River School DistrictPhone
(302)732-1500School Statistics
Academics (SY 2020-21)
ELA Proficiency
50-54%
Math Proficiency
30-34%
Graduation Rate
83%
Chronic Absenteeism
22.5%
SY 2019-20
Programs & Activities (SY 2021-22)
AP Program
10 courses offered
157 students enrolled
Dual Enrollment
54 students enrolled
SAT/ACT
229 test takers
Athletics
19 sports, 28 teams
541 participants
Student-Teacher Ratio: 14.5:1
Near average in DETechnology & Internet Access (SY 2021-22)
1:1 Devices
Student devices available
Wi-Fi
Campus-wide wireless
Fiber Internet
High-speed connection
1,003
Connected devices
Staff & Support Services (SY 2021-22)
Teachers (FTE)
74
92% fully certified
Counselors
4
Psychologists
1
Social Workers
1
Nurses
2
School Resource Officers
2
Anti-Bullying Policy
District Finance (FY 2023)
Per-Pupil Spending
$19,367
Total current expenditure
Instruction Spending
$10,779
Per pupil, classroom only
Total Revenue/Pupil
$20,168
All funding sources
Funding Sources
Federal 10%State 57%Local 33%
District-level data from NCES F-33 Survey
Community Context
Community Need Level
Moderate
CDC/ATSDR Social Vulnerability Index 2022
Neighborhood Indicators (Census Tract)
18.6%
Below 150% poverty line
4.9%
Unemployment rate
6.9%
Uninsured residents
10.5%
No HS diploma (25+)
Special Education (IDEA)
District-level data from IDEA Part B · Students ages 3-21 served under IDEA
Total Students Served
2,214
Ages 3-21 under IDEA
School-Age (6-21)
1,974
Receiving special ed services
Est. % of Enrollment
100%
District rate, school may vary
Disability Categories (District)
Specific Learning Disability
840 (43%)
Other Health Impairment
246 (12%)
Autism
224 (11%)
Intellectual Disability
180 (9%)
Speech/Language Impairment
172 (9%)
Emotional Disturbance
90 (5%)
Source: U.S. Department of Education, IDEA Section 618 Data · District-level counts · Individual school figures may differ
Enrollment Trend (2014-2025)
1,073
Current enrollment
Growing(+14% 5yr)Coming Up
Mon, Jul 27, 2026
Board of Education Meeting
EventMon, Jul 27, 2026
Business Meeting
EventMon, Jul 27, 2026
Tentative Budget & Millage Rates Public Hearing
EventFull School Calendar 2026-27
| Date | Event |
|---|---|
| Tue, Sep 1, 2026 | Returning Educator Day Returning Educator Day |
| Wed, Sep 2, 2026 | Returning Educator Day Returning Educator Day |
| Thu, Sep 3, 2026 | Returning Educator Day Returning Educator Day |
| Fri, Sep 4, 2026 | Returning Educator Day Returning Educator Day (Remote professional learning day - PDMS trainings) |
| Mon, Sep 7, 2026 | LABOR DAY |
| Mon, Sep 7, 2026 | Labor Day Holiday |
| Mon, Sep 7, 2026 | Labor Day; no school; holiday for students/employees |
| Tue, Sep 8, 2026 | First Pupil Day |
| Tue, Sep 8, 2026 | Superintendent's Workshop |
| Tue, Sep 8, 2026 | Final Millage & Final Budget Hearing |
| Tue, Sep 8, 2026 | First Day of School for Grades K, 6 and 9, and Howard T. Ennis First Day of School for Grades K, 6 and 9, and Howard T. Ennis School |
| Wed, Sep 9, 2026 | First Day of School for Grades 1-5, 7-8 and 10-12 First Day of School for Grades 1-5, 7-8 and 10-12 |
| Mon, Sep 14, 2026 | Committee Meetings Committee Meetings (Millsboro Middle School)Policy Committee, 4:00 p.m. Curriculum, 4:30 Buildings & Grounds Committee, 5:00 p.m.Finance Committee, 6:00 p.m. |
| Tue, Sep 15, 2026 | NO SCHOOL - PRIMARY ELECTION DAY |
| Tue, Sep 15, 2026 | Paraprofessionals Report to Work Paraprofessionals Report to Work |
| Tue, Sep 15, 2026 | State Professional Learning Day State Professional Learning Day |
| Tue, Sep 15, 2026 | High school open house |
| Wed, Sep 16, 2026 | Middle school open house |
| Wed, Sep 16, 2026 | First Day for Preschool First Day for Preschool |
| Thu, Sep 17, 2026 | Elementary school open house; K-8 open house |
| Mon, Sep 21, 2026 | No school for students/teachers |
| Mon, Sep 28, 2026 | School Board Awards & Presentations |
| Mon, Sep 28, 2026 | Board of Education Meeting Board of Education meeting at Millsboro Middle School, 7:00 p.m. |
| Mon, Sep 28, 2026 | Business Meeting |
| Fri, Oct 9, 2026 | End of first grading quarter |
| Mon, Oct 12, 2026 | NO SCHOOL - REMOTE TEACHER WORK DAY NO SCHOOL - REMOTE TEACHER WORK DAYIn-person professional learning day for paraprofessionals |
| Mon, Oct 12, 2026 | Superintendent's Workshop |
| Mon, Oct 12, 2026 | Committee Meetings Committee Meetings (Millsboro Middle School)Policy Committee, 4:00 p.m. Curriculum, 4:30 Buildings & Grounds Committee, 5:00 p.m.Finance Committee, 6:00 p.m. |
| Mon, Oct 12, 2026 | In-Person Professional Learning Day for Paraprofessionals In-Person Professional Learning Day for Paraprofessionals |
| Fri, Oct 23, 2026 | No school for students/teachers due to conferences |
| Mon, Oct 26, 2026 | Business Meeting |
| Mon, Oct 26, 2026 | School Board Awards & Presentations |
| Mon, Oct 26, 2026 | Board of Education Meeting Board of Education meeting at Millsboro Middle School, 7:00 p.m. |
| Fri, Oct 30, 2026 | Staff professional learning day; no school for students |
| Tue, Nov 3, 2026 | NO SCHOOL - ELECTION DAY No School - Election Day |
| Thu, Nov 5, 2026 | NO SCHOOL - RETURN DAY No School - Return Day |
| Mon, Nov 9, 2026 | Committee Meetings Committee Meetings (Millsboro Middle School)Policy Committee, 4:00 p.m. Curriculum, 4:30 Buildings & Grounds Committee, 5:00 p.m.Finance Committee, 6:00 p.m. |
| Tue, Nov 10, 2026 | END OF MARKING PERIOD End of first marking period |
| Wed, Nov 11, 2026 | NO SCHOOL - VETERANS DAY No School - Veterans Day |
| Wed, Nov 11, 2026 | Veterans Day - No school for students/teachers |
| Thu, Nov 12, 2026 | REMOTE: Half Grades, Half Teacher Work Day REMOTE: Half Grades, Half Teacher Work Day |
| Thu, Nov 12, 2026 | NO SCHOOL |
| Thu, Nov 12, 2026 | Paraprofessionals DO NOT Report Paraprofessionals DO NOT Report |
| Tue, Nov 17, 2026 | Organization Meeting (Election Year) |
| Tue, Nov 17, 2026 | Superintendent's Workshop |
| Tue, Nov 17, 2026 | Business Meeting |
| Mon, Nov 23, 2026 | Board of Education Meeting Board of Education meeting at Millsboro Middle School, 7:00 p.m. |
| Mon, Nov 23, 2026 | Thanksgiving Break begins; no school for students/10- & 11-mo employees |
| Tue, Nov 24, 2026 | Thanksgiving Break begins; no school for students/10- & 11-mo employees |
| Wed, Nov 25, 2026 | Thanksgiving Break begins; no school for students/10- & 11-mo employees |
| Wed, Nov 25, 2026 | Thanksgiving Break |
| Wed, Nov 25, 2026 | NO SCHOOL - Employees Do Not Report No School - Employees Do Not Report |
| Thu, Nov 26, 2026 | NO SCHOOL - THANKSGIVING |
| Thu, Nov 26, 2026 | Thanksgiving Break begins; no school for students/all employees |
| Fri, Nov 27, 2026 | Thanksgiving Break begins; no school for students/all employees |
| Fri, Nov 27, 2026 | NO SCHOOL - THANKSGIVING HOLIDAY |
| Mon, Dec 7, 2026 | Committee Meetings Committee Meetings (Millsboro Middle School)Policy Committee, 4:00 p.m. Curriculum, 4:30 Buildings & Grounds Committee, 5:00 p.m.Finance Committee, 6:00 p.m. |
| Mon, Dec 7, 2026 | Business Meeting |
| Mon, Dec 7, 2026 | Superintendent's Workshop |
| Mon, Dec 7, 2026 | School Board Awards & Presentations |
| Mon, Dec 14, 2026 | Board of Education Meeting Board of Education meeting at Millsboro Middle School, 7:00 p.m. |
| Thu, Dec 17, 2026 | Modified instructional day |
| Fri, Dec 18, 2026 | Modified instructional day; end of second grading quarter |
| Mon, Dec 21, 2026 | Winter Break begins; no school for students/employees |
| Tue, Dec 22, 2026 | Winter Break begins; no school for students/employees |
| Wed, Dec 23, 2026 | Winter Break begins; no school for students/employees |
| Wed, Dec 23, 2026 | NO SCHOOL - Employees Do Not Report No School - Employees Do Not Report |
| Thu, Dec 24, 2026 | Winter Break begins; no school for students/employees |
| Thu, Dec 24, 2026 | NO SCHOOL - CHRISTMAS EVE |
| Thu, Dec 24, 2026 | Christmas Break |
| Fri, Dec 25, 2026 | Winter Break begins; no school for students/employees |
| Fri, Dec 25, 2026 | NO SCHOOL - CHRISTMAS DAY |
| Sat, Dec 26, 2026 | Winter Break begins; no school for students/employees |
| Mon, Dec 28, 2026 | Winter Break begins; no school for students/employees |
| Mon, Dec 28, 2026 | NO SCHOOL - CHRISTMAS BREAK |
| Tue, Dec 29, 2026 | Winter Break begins; no school for students/employees |
| Tue, Dec 29, 2026 | NO SCHOOL - CHRISTMAS BREAK |
| Wed, Dec 30, 2026 | NO SCHOOL - CHRISTMAS BREAK |
| Wed, Dec 30, 2026 | Winter Break begins; no school for students/employees |
| Thu, Dec 31, 2026 | NO SCHOOL - CHRISTMAS BREAK |
| Thu, Dec 31, 2026 | Winter Break begins; no school for students/employees |
| Fri, Jan 1, 2027 | NO SCHOOL - NEW YEAR'S DAY |
| Fri, Jan 1, 2027 | Winter Break begins; no school for students/employees |
| Fri, Jan 1, 2027 | New Year's Day |
| Mon, Jan 4, 2027 | Optional teacher planning day; no school for students |
| Mon, Jan 4, 2027 | School Resumes |
| Tue, Jan 5, 2027 | Teacher planning/school-based professional learning day; no school for students |
| Wed, Jan 6, 2027 | Students return from Winter Break |
| Mon, Jan 11, 2027 | Committee Meetings Committee Meetings (Millsboro Middle School)Policy Committee, 4:00 p.m. Curriculum, 4:30 Buildings & Grounds Committee, 5:00 p.m.Finance Committee, 6:00 p.m. |
| Wed, Jan 13, 2027 | NO SCHOOL - PROFESSIONAL LEARNING DAY NO SCHOOL - PROFESSIONAL LEARNING DAYSpecial education teachers - half day IEP caseloads |
| Wed, Jan 13, 2027 | Special Education Teachers - Half Day IEP Caseloads Special Education Teachers - Half Day IEP Caseloads |
| Wed, Jan 13, 2027 | Paraprofessionals Report to Work Paraprofessionals Report to Work |
| Mon, Jan 18, 2027 | MLK Jr. Day |
| Mon, Jan 18, 2027 | Martin Luther King, Jr. Day; no school; holiday for students/employees |
| Mon, Jan 18, 2027 | NO SCHOOL - MARTIN LUTHER KING DAY |
| Mon, Jan 25, 2027 | Board of Education Meeting Board of Education meeting at Millsboro Middle School, 7:00 p.m. |
| Tue, Jan 26, 2027 | Fall Semester Final Exams Fall semester final exams at Indian River High School and Sussex Central High School |
| Wed, Jan 27, 2027 | Fall Semester Final Exams Fall semester final exams at Indian River High School and Sussex Central High School |
| Wed, Jan 27, 2027 | END OF MARKING PERIOD End of second marking period |
| Thu, Jan 28, 2027 | REMOTE: Half Grades, Half Teacher Work Day REMOTE: Half Grades, Half Teacher Work Day |
| Thu, Jan 28, 2027 | NO SCHOOL |
| Thu, Jan 28, 2027 | Paraprofessionals DO NOT Report Paraprofessionals DO NOT Report |
| Fri, Jan 29, 2027 | Staff professional learning day; no school for students |
| Mon, Feb 8, 2027 | Committee Meetings Committee Meetings (Millsboro Middle School)Policy Committee, 4:00 p.m. Curriculum, 4:30 Buildings & Grounds Committee, 5:00 p.m.Finance Committee, 6:00 p.m. |
| Wed, Feb 10, 2027 | MID-YEAR HIGH SCHOOL OPEN HOUSES Mid-year high school open houses, 3:00-5:30 p.m. |
| Wed, Feb 10, 2027 | HALF DAY FOR STUDENTS |
| Fri, Feb 12, 2027 | No school for students/teachers due to conferences |
| Mon, Feb 15, 2027 | NO SCHOOL - PRESIDENTS DAY |
| Mon, Feb 15, 2027 | Presidents Day |
| Mon, Feb 15, 2027 | Presidents' Day - no school; holiday for students/employees |
| Mon, Feb 22, 2027 | Board of Education Meeting Board of Education meeting at Millsboro Middle School, 7:00 p.m. |
| Mon, Mar 8, 2027 | Committee Meetings Committee Meetings (Millsboro Middle School)Policy Committee, 4:00 p.m. Curriculum, 4:30 Buildings & Grounds Committee, 5:00 p.m.Finance Committee, 6:00 p.m. |
| Fri, Mar 12, 2027 | End of third grading quarter |
| Thu, Mar 18, 2027 | NO SCHOOL - PROFESSIONAL LEARNING DAY NO SCHOOL - PROFESSIONAL LEARNING DAYSpecial education teachers - half day IEP caseloads |
| Thu, Mar 18, 2027 | Paraprofessionals Report to Work Paraprofessionals Report to Work |
| Thu, Mar 18, 2027 | Special Education Teachers - Half Day IEP Caseloads Special Education Teachers - Half Day IEP Caseloads |
| Mon, Mar 22, 2027 | Spring Break - no school for students/10- & 11-mo employees |
| Mon, Mar 22, 2027 | Board of Education Meeting Board of Education meeting at Millsboro Middle School, 7:00 p.m. |
| Tue, Mar 23, 2027 | Spring Break - no school for students/10- & 11-mo employees |
| Wed, Mar 24, 2027 | Spring Break - no school for students/10- & 11-mo employees |
| Thu, Mar 25, 2027 | Spring Break - no school for students/all employees |
| Fri, Mar 26, 2027 | Spring Break - no school for students/all employees |
| Fri, Mar 26, 2027 | NO SCHOOL - GOOD FRIDAY |
| Sun, Mar 28, 2027 | EASTER |
| Mon, Mar 29, 2027 | NO SCHOOL - EASTER BREAK |
| Mon, Mar 29, 2027 | Spring Break |
| Tue, Mar 30, 2027 | NO SCHOOL - EASTER BREAK |
| Wed, Mar 31, 2027 | NO SCHOOL - EASTER BREAK |
| Thu, Apr 1, 2027 | NO SCHOOL - EASTER BREAK |
| Fri, Apr 2, 2027 | NO SCHOOL - EASTER BREAK |
| Mon, Apr 5, 2027 | School Resumes |
| Thu, Apr 8, 2027 | END OF MARKING PERIOD End of third marking period |
| Fri, Apr 9, 2027 | NO SCHOOL |
| Fri, Apr 9, 2027 | Paraprofessionals DO NOT Report Paraprofessionals DO NOT Report |
| Fri, Apr 9, 2027 | REMOTE: Half Grades, Half Teacher Work Day REMOTE: Half Grades, Half Teacher Work Day |
| Mon, Apr 12, 2027 | Committee Meetings Committee Meetings (Millsboro Middle School)Policy Committee, 4:00 p.m. Curriculum, 4:30 Buildings & Grounds Committee, 5:00 p.m.Finance Committee, 6:00 p.m. |
| Fri, Apr 23, 2027 | No school for students/teachers |
| Mon, Apr 26, 2027 | Board of Education Meeting Board of Education meeting at Millsboro Middle School, 7:00 p.m. |
| Mon, May 10, 2027 | Committee Meetings Committee Meetings (Millsboro Middle School)Policy Committee, 4:00 p.m. Curriculum, 4:30 Buildings & Grounds Committee, 5:00 p.m.Finance Committee, 6:00 p.m. |
| Mon, May 24, 2027 | Board of Education Meeting Board of Education meeting at Millsboro Middle School, 7:00 p.m. |
| Wed, May 26, 2027 | Modified instructional day |
| Wed, May 26, 2027 | Senior Exams Senior exams at Indian River High School and Sussex Central High School |
| Thu, May 27, 2027 | Modified instructional day |
| Thu, May 27, 2027 | Senior Exams Senior exams at Indian River High School and Sussex Central High School |
| Fri, May 28, 2027 | Modified instructional day; last day of school for students; end of fourth grading quarter |
| Fri, May 28, 2027 | NO SCHOOL - REMOTE TEACHER WORK DAY |
| Fri, May 28, 2027 | Paraprofessionals Report to Work Paraprofessionals Report to Work |
| Mon, May 31, 2027 | Memorial Day |
| Mon, May 31, 2027 | Memorial Day - schools closed |
| Mon, May 31, 2027 | NO SCHOOL - MEMORIAL DAY |
| Tue, Jun 1, 2027 | Last Pupil Day |
| Wed, Jun 2, 2027 | Indian River High School Graduation Indian River High School Graduation, 7:30 p.m. |
| Thu, Jun 3, 2027 | Howard T. Ennis Graduation Howard T. Ennis School graduation ceremony, 1:00 p.m. |
| Sat, Jun 5, 2027 | Sussex Central High School Graduation Sussex Central High School Graduation, 10:00 a.m. |
| Tue, Jun 8, 2027 | Last Day for Preschool |
| Wed, Jun 9, 2027 | Final Exams Final exams at Indian River High School and Sussex Central High School |
| Thu, Jun 10, 2027 | LAST DAY OF SCHOOL |
| Thu, Jun 10, 2027 | Final Exams Final exams at Indian River High School and Sussex Central High School |
| Fri, Jun 11, 2027 | REMOTE: Half Grades, Half Teacher Work Day |
| Fri, Jun 11, 2027 | Paraprofessionals DO NOT Report Paraprofessionals DO NOT Report |
| Mon, Jun 14, 2027 | Paraprofessionals DO NOT Report Paraprofessionals DO NOT Report |
| Mon, Jun 14, 2027 | Committee Meetings Committee Meetings (Millsboro Middle School)Policy Committee, 4:00 p.m. Curriculum, 4:30 Buildings & Grounds Committee, 5:00 p.m.Finance Committee, 6:00 p.m. |
| Mon, Jun 14, 2027 | Classroom Breakdown Day |
| Fri, Jun 18, 2027 | JUNETEENTH HOLIDAY - Employees Do Not Report |
| Mon, Jun 28, 2027 | Board of Education Meeting Board of Education meeting at Millsboro Middle School, 7:00 p.m. |
Showing 165 events for the 2026-27 school year
Frequently Asked Questions about Indian River High School
Indian River High School currently enrolls 1,092 students across High grade levels. The school operates under the local school district in DE.
Calendar Guides
School profiles: Data from NCES Common Core of Data. Calendar events from district calendar sources, updated automatically. · How we verify this data