Enrollment
254
High
DISTRICT 283 · STATE 796
SCHOOL COMMUNITY·THREE RIVERS ISD·NCES 484269004874
Three Rivers Jr/Sr High School
351 S SCHOOL RD, THREE RIVERS, TX 78071 · (361) 786-3603 · Live Oak County
GRADES 07–12HIGH43-RURALTITLE IREGULAR SCHOOL254 STUDENTS
C-
allk12 Grade
Scored higher than 19% of Texas public high schools
- CTest scores Share of students meeting the state standard in reading, math, and other tested subjects, 2023-24 and 2024-25.
- CBeats expectations How far test scores land above or below what the share of low-income students predicts for a school in this state.
- FThree-year trend Change in reading and math proficiency over the last three test years.
Grades compare a school only with schools in the same state, because every state gives its own test. How grades work · Top-graded Texas public high schools
Student : Teacher
7.3:1
35 FTE teachers
DISTRICT 12.0:1 · STATE 15.1:1
Free / Reduced Lunch
64%
163 students
DISTRICT 70% · STATE 65%
Community
0
0 members
Enrollment and student:teacher ratio compared against other high schools. Free/Reduced Lunch and demographics compared against all schools.
Enrollment by grade, 2024-25
| Grade | Students | Share |
|---|---|---|
| Grade 7 | 31 | 12% |
| Grade 8 | 45 | 18% |
| Grade 9 | 42 | 17% |
| Grade 10 | 44 | 17% |
| Grade 11 | 40 | 16% |
| Grade 12 | 52 | 20% |
Student demographics
47%Diversity index
The chance that two students picked at random belong to different racial or ethnic groups.
DISTRICT 46% · STATE 63% · US 70%
Student head counts by race/ethnicity from federal NCES enrollment data. District, state, and US figures are each group's share of all public school students in that area (US excludes territories). Very small groups may be suppressed in the source, so categories do not always sum exactly to total enrollment.
Gender split
School pathway
Feeds from
Based on grade levels within THREE RIVERS ISD. Attendance zones can vary; confirm enrollment with the district.
QUIET COMMUNITY
Be the first to start a discussion at Three Rivers Jr/Sr High School.
START A DISCUSSIONTest scores
STAAR 2025-26 . % Meets Grade Level or AboveReading
45.0%
TX avg 54.5% . -5.0pp since 2020
Mathematics
32.0%
TX avg 45.3% . -26.0pp since 2020
What this means: On the STAAR, Texas's statewide test, about 45 of every 100 students at this school read at grade level and about 32 of 100 do math at grade level. Across all Texas schools, those numbers are about 55 and 45. Reading scores are down about 5 points since 2020, while math scores are down about 26 points.
Performance levels, 2025-26
| Subject | Masters Grade Level | Meets Grade Level | Approaches Grade Level | Did Not Meet Grade Level |
|---|---|---|---|---|
| Reading | 8.0% | 37.0% | 28.0% | 27.0% |
| Mathematics | 10.0% | 22.0% | 36.0% | 32.0% |
Share of tested students at each STAAR level. Each student counts in one level, so a row adds to about 100%.
STAAR results by year
| School year | Reading | Mathematics |
|---|---|---|
| 2025-26 | 45.0% | 32.0% |
| 2024-25 | 45.0% | 39.0% |
| 2023-24 | 58.0% | 37.0% |
| 2022-23 | 63.0% | 86.0% |
| 2021-22 | 81.0% | 42.0% |
| 2020-21 | 50.0% | 58.0% |
% Meets Grade Level or Above, all students and all tested grades.
Source: STAAR. All students, all grades. See all years and grades →
BeatsExpectations
Demographically-adjusted score · methodologyTier
AS EXPECTED
Performing as predicted given the school's student profile
Actual proficiency
45.2%
composite math + reading, all grades
Predicted
46.3%
based on TX schools with similar FRL share
Beats by
-1.1pp
below demographic expectation
What this means: About 45% of students here test proficient in math and reading, compared with the roughly 46% typical for Texas schools with a similar share of low-income students. BeatsExpectations measures results against demographically similar schools rather than by raw scores, and this school falls within the typical range, neither among Texas's top nor bottom 10%.
BeatsExpectations runs a per-state regression of proficiency on free/reduced-lunch share, then scores each school by residual. How this is calculated →
Schools most like Three Rivers Jr/Sr High School
Three Rivers Jr/Sr High School's state test result (45.2% proficient) is higher than 1 of the 5 schools below with a result.
| School | Students | Low-income | Proficient |
|---|---|---|---|
| Three Rivers Jr/Sr High School this school | 254 | 64.2% | 45.2% |
| Spearman High School SPEARMAN | 189 | 62.4% | 65.8% |
| Pettus Secondary PETTUS | 206 | 67.0% | 41.0% |
| Tahoka High School TAHOKA | 183 | 65.6% | 50.7% |
| Munday Secondary MUNDAY | 204 | 63.7% | 49.0% |
| Agua Dulce High School AGUA DULCE | 243 | 68.3% | 45.6% |
Matched among Texas high schools on enrollment, the share of students from low-income families (eligible for free or reduced-price lunch), and racial and ethnic makeup. Proficient is the average share of students meeting the state standard across all of the school's state tests in 2023-24 and 2024-25, the same combined score our test-score rankings use. Online schools and schools serving specialized populations are not matched.
Where Three Rivers Jr/Sr High School ranks
Among high schools| Measure | This school | In Texas |
|---|---|---|
| State test proficiency ranked highest first | 45.2% | #991 of 1,385 |
| Math proficiency ranked highest first | 32.0% | #1,055 of 1,425 ▼ 305 |
| Reading proficiency ranked highest first | 45.0% | #1,123 of 1,425 ▼ 94 |
| 3-year test score change ranked biggest drop first | -36.0pp | #2 of 1,184 |
| Enrollment ranked largest first | 254 | #1,230 of 2,107 |
| Students per teacher ranked fewest first | 7.3:1 | #4 of 1,344 |
| Diversity index ranked most diverse first | 47.3% | #765 of 1,346 |
| Free and reduced lunch ranked highest share first | 64.2% | #711 of 1,522 |
| Enrollment change since 2017-18 ranked steepest decline first | -18.8% | #117 of 557 |
Ranked against other public high schools. Online schools are left out of every list, and test-score lists leave out schools that serve specialized populations. Each rank links to the full list. Arrows under a test-score rank show places moved since the prior test year, among schools tested both years.
4-year change
SY 2020-21 vs SY 2024-25Enrollment
254
-11 (-4%) vs 2020
+16% since 1990-91, when it was 219
Student : Teacher
7.3:1
was 7.8:1
Source: NCES Common Core of Data
Enrollment and staffing by year
| School year | Students | Teachers (FTE) | Students per teacher | Free and reduced lunch |
|---|---|---|---|---|
| 2024-25 | 254 | 35 | 7.3:1 | 64% (163) |
| 2023-24 | 285 | 34.2 | 8.3:1 | 59% (167) |
| 2022-23 | 267 | 31.5 | 8.5:1 | 57% (153) |
| 2020-21 | 265 | 34 | 7.8:1 | 61% (162) |
| 2017-18 | 313 | 27 | 11.6:1 | 57% (178) |
| 2015-16 | 306 | 32 | 9.6:1 | 57% (174) |
| 2010-11 | 203 | 25 | 8.1:1 | 33% (68) |
| 2000-01 | 250 | 24 | 10.4:1 | 34% (85) |
| 1990-91 | 219 | 19 | 11.5:1 | N/A |
Source: NCES Common Core of Data. Rows are the federal collections on file for Three Rivers Jr/Sr High School.
Since 2017-18: students down 19% (313 to 254); teachers up 30% (27 to 35).
About Three Rivers Jr/Sr High School
Three Rivers Jr/Sr High School is a very small high school that serves part of THREE RIVERS, Texas. The school teaches grades 7 through 12 and enrolls 254 students. The school is 68% below the average for high schools in Texas.
Federal data list 2 schools in THREE RIVERS ISD, with 566 students enrolled.
The share of Hispanic students at Three Rivers Jr/Sr High School is 64%, a majority. Other students are 34% White. That is higher than the 42% Hispanic share among all Live Oak County residents. A diversity index of 47% means there is a 47% chance two randomly chosen students at Three Rivers Jr/Sr High School are from different groups.
With 35 full-time-equivalent teachers, the student-to-teacher ratio is about 7.3:1. Statewide, high schools in Texas average 15.1:1. Roughly 64% of students come from households that qualify for free or reduced-price lunch. The average for public schools in Live Oak County is similar, at 65%.
On the allk12 Grade, Three Rivers Jr/Sr High School lands at C-, ahead of 19% of Texas public high schools.
On the allk12 BeatsExpectations measure, Three Rivers Jr/Sr High School is 1.1 points below the average proficiency rate across its state test results predicted for its free or reduced-price lunch share: 45.2% actual, 46.3% predicted. That is outside both the top and bottom 10% in Texas.
Looking at the county, Live Oak County, median household income comes to about $57,150, a bachelor's degree or higher is held by about 16% of adults, and the share of residents below the poverty line is 15%. The county's public schools total 6, with about 1,629 students.
Measured in a straight line, Three Rivers Elementary School is about 0.2 miles from Three Rivers Jr/Sr High School. Within ten miles are 5 other public schools. Among its closest neighbors with test data, Three Rivers Jr/Sr High School is 5th of 8 on proficiency.
Three Rivers Jr/Sr High School has an NCES locale of Rural: Remote.
Between 2020-21 and 2024-25, Three Rivers Jr/Sr High School had a net loss of 11 students, or 4%.
This page is a place to ask questions and share updates about fundraisers, report cards, and school supplies at Three Rivers Jr/Sr High School. Members of the school community can share what they know.
Live Oak County at a glance
View full county profilePopulation
11,620
Census ACS
Median income
$57,150
Household, ACS
Bachelor's+
16%
Adults 25+
Poverty rate
15%
Below federal line
Schools in county
6
1,629 students
Quick facts
Related schools
Other schools in THREE RIVERS ISD
- Three Rivers Elementary SchoolElementary · 312 students
Other schools in THREE RIVERS
- Three Rivers Elementary SchoolElementary · 312 students
Nearby schools
- Three Rivers Elementary School0.2 mi · 312
- George West Primary School9.1 mi · 396
- George West Junior High School9.2 mi · 158
- George West Elementary School9.3 mi · 235
- George West High School9.4 mi · 274
- Pawnee El / J H/HS17.1 mi · 630
Frequently asked questions
About Three Rivers Jr/Sr High SchoolHow large is Three Rivers Jr/Sr High School?
Three Rivers Jr/Sr High School enrolls approximately 254 students in grades 07-12.
Is Three Rivers Jr/Sr High School an elementary, middle, or high school?
Three Rivers Jr/Sr High School is a high school covering grades 07-12.
How many teachers does Three Rivers Jr/Sr High School have?
Three Rivers Jr/Sr High School employs 35 FTE teachers, for a student-to-teacher ratio of 7.3:1.
How diverse is Three Rivers Jr/Sr High School?
Three Rivers Jr/Sr High School reports a student body of 34% White, 64% Hispanic, 0% Black, 1% Two or more.
Is Three Rivers Jr/Sr High School public or private?
Three Rivers Jr/Sr High School is a public K-12 school, overseen by THREE RIVERS ISD.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.