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SCHOOL COMMUNITY·BEND-LAPINE ADMINISTRATIVE SD 1·NCES 410198001350

Three Rivers Elementary School

56900 Enterprise Dr, Sunriver, OR 97707 · (541) 355-3000 · Deschutes County
GRADES KG–08ELEMENTARY42-RURALTITLE IREGULAR SCHOOL421 STUDENTS
Enrollment
421
Elementary
DISTRICT 360 · STATE 321
Student : Teacher
18.8:1
22 FTE teachers
DISTRICT 17.9:1 · STATE 16.5:1
Free / Reduced Lunch
48%
202 students
DISTRICT 57% · STATE 76%
Community
1
0 members
Enrollment and student:teacher ratio compared against other elementary schools. Free/Reduced Lunch and demographics compared against all schools.
Enrollment by grade
Kindergarten
33
Grade 1
37
Grade 2
48
Grade 3
44
Grade 4
55
Grade 5
62
Grade 6
46
Grade 7
56
Grade 8
40
Student demographics
White
35384%
DISTRICT 79% · STATE 57%
Hispanic
358%
DISTRICT 14% · STATE 26%
Black
10%
DISTRICT 1% · STATE 2%
Two+
266%
DISTRICT 5% · STATE 7%
Native American
41%
DISTRICT 0% · STATE 1%
Pacific Islander
10%
DISTRICT 0% · STATE 1%
Student head counts by race/ethnicity from federal NCES enrollment data. Very small groups may be suppressed in the source, so categories do not always sum exactly to total enrollment.
Gender split
Male
21250%
Female
20849%

Discussions

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Test scores

OSAS 2024-25 . % Proficient
English Language Arts
52.9%
OR avg 43.0% . +8.7pp since 2023
Math
39.3%
OR avg 31.8% . +3.4pp since 2023
Source: OSAS. All students, all grades. See all years and grades →

BeatsExpectations

Demographically-adjusted score · methodology
Tier
AS EXPECTED
Performing as predicted given the school's student profile
Actual proficiency
37.4%
composite math + reading, all grades
Predicted
44.0%
based on OR schools with similar FRL share
Beats by
-6.5pp
below demographic expectation
BeatsExpectations runs a per-state regression of proficiency on free/reduced-lunch share, then scores each school by residual. How this is calculated →

7-year change

SY 2017-18 vs SY 2024-25
Enrollment
421
-16 (-4%) vs 2017
Student : Teacher
18.8:1
was 20.7:1
% White
84%
was 88%
% Hispanic
8%
was 5%
% Black
0%
was 0%
% Asian
0%
was 0%
Source: NCES Common Core of Data

About Three Rivers Elementary School

Located at 56900 Enterprise Dr, in Sunriver, Oregon, Three Rivers Elementary School is a middle-of-the-pack primary school that caters to 421 students (grades K through 8), overseen by Bend-LaPine Administrative SD 1. That puts it 31% bigger than the typical public school in Oregon, which averages around 321 students.

Bend-LaPine Administrative SD 1 comprises 35 schools with combined enrollment of 16,838 students; Three Rivers Elementary School is among them.

On the student-mix side, Three Rivers Elementary School lists that 84% of students identify as White, making the school strongly White-majority. Other groups include 8% Hispanic, 6% multiracial. Compared to Deschutes County overall, the school's racial mix sits in roughly the same range.

Looking at the economic backdrop, On paper, Three Rivers Elementary School has 22 full-time-equivalent teachers, translating to a class-load average of around 18.8:1. That figure is higher than the state norm's 16.5:1 average. Around 48% of the student body qualifies for free or reduced-price meals, a number frequently used as a low-income enrollment indicator. By comparison, Deschutes County runs at roughly 60%, so the school's eligibility rate is meaningfully below the surrounding baseline.

On a demographically-adjusted basis, Three Rivers Elementary School tracks the demographic baseline. The model predicts 44.0% given the school's FRL share; actual proficiency is 37.4%.

In the area at large, ACS estimates for Deschutes County put the typical household earns roughly $92,758 per year, about 45% of the adult population holds a bachelor's degree or above, and roughly 5% of residents live below the federal poverty line. Across Deschutes County's 53 public schools (combined enrollment of about 25,823 students), Three Rivers Elementary School is one campus in the mix.

Elk Meadow Elementary School is the nearest neighboring public school, about 11.0 miles from this campus. On composite proficiency, Three Rivers Elementary School comes 4th of 9 in the immediate cluster, behind the nearby-schools average of 39.1%.

The campus sits in a countryside setting.

Five-year trend. Over the past 7-year window, the student count shrank 4%: 437 students in 2018 compared to 421 in 2025. The student-to-teacher ratio pulled in from 20.7:1 in 2018 to 18.8:1 today.

Within the allk12 community for this school, recent activity here tends to focus on school events, parent volunteer needs, and clubs. Members of the school community can share what they know.

Deschutes County at a glance

View full county profile
Population
206,334
Census ACS
Median income
$92,758
Household, ACS
Bachelor's+
45%
Adults 25+
Poverty rate
5%
Below federal line
Schools in county
53
25,823 students

Quick facts

School name
Three Rivers Elementary School
District
Bend-LaPine Administrative SD 1
Address
56900 Enterprise Dr, Sunriver, OR 97707
Phone
(541) 355-3000
County
Deschutes County
Level
Elementary
Grade range
KG–08
Total enrollment
421
Teachers (FTE)
22
Student–teacher ratio
18.8:1
Free/Reduced lunch
202 (48%)
Locale
42-Rural: Distant
NCES ID
410198001350
Charter school
No
Virtual school
No

Related schools

Other schools in Bend-LaPine Administrative SD 1
Nearby schools

Frequently asked questions

About Three Rivers Elementary School
What is the total enrollment at Three Rivers Elementary School?
Three Rivers Elementary School enrolls approximately 421 students in grades KG-08.
What age range does Three Rivers Elementary School serve?
Three Rivers Elementary School serves students from grade KG through grade 08.
How many students per teacher at Three Rivers Elementary School?
Approximately 18.8:1 students per teacher at Three Rivers Elementary School.
How diverse is Three Rivers Elementary School?
Three Rivers Elementary School reports a student body of 84% White, 8% Hispanic, 0% Black, 6% Two or more.
Is Three Rivers Elementary School public or private?
Three Rivers Elementary School is a public K-12 school, overseen by Bend-LaPine Administrative SD 1.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.
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