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Castro County

Texas · Public K-12

Castro County, Texas's 5 public schools span elementary through high school (1 elementary, 1 middle, and 1 high). Total enrollment is roughly 1,526 students.

7-year change in Castro County

SY 2017-18 vs SY 2024-25
Total enrollment
1,526
-188 (-11%) vs SY 2017-18
School count
5
0 (0%) vs SY 2017-18
% White
21%
was 20%
% Hispanic
78%
was 77%
% Black
1%
was 2%
% Asian
1%
was 0%
Source: NCES Common Core of Data, enrollment-weighted demographic averages
Schools
5
3 districts
Enrollment
1,526
NCES CCD
Median income
$56,776
Below Texas avg
Free/reduced lunch
69.5%
Above Texas avg
Elementary
1
507 students
Middle
1
246 students
High
1
324 students
Combined / other
2
449 students
LARGEST DISTRICT
DIMMITT ISD
1,077 students · 3 districts in Castro County

County vs. school enrollment demographics

Left bar is the racial makeup of Castro County residents (Census ACS 5-year). Right bar is the enrollment-weighted makeup of public schools in the county (NCES CCD). NCES systematically under-reports Hispanic, Pacific Islander, and Native American enrollment for many schools; where the resident share is meaningful but the reported school share is zero, we mark the school bar "not reported".

County residents
White
41%
Hispanic
66%
Black
1%
Asian
1%
Two or more
43%
Native American
1%
Pacific Islander
0%
School enrollment
White
21%
Hispanic
77%
Black
0%
Asian
1%
Two or more
n/r
Native American
0%
Pacific Islander
0%
Bachelor's+
18.6%
adults 25+
Poverty rate
18.2%
ACS 5-year
Unemployment
3.7%
civilian labor
Median age
35
29.1% under 18

Test scores in Castro County

Latest 2023-24 ELA proficiency, 5 schools ranked. Texas state average: 52.7%.

Top 5 schools (ELA)
  1. NAZARETH SCHOOL· 87.0%
  2. HART ISD· 57.0%
  3. DIMMITT H S· 50.0%
  4. DIMMITT MIDDLE· 43.0%
  5. RICHARDSON EL· 33.0%

See all 5 schools in Castro County ranked by score →

All schools (5)

LargestA-ZTop rated
NameCityLevelGradesEnrollmentRating
RICHARDSON ELDimmittElementaryPK-05507·
DIMMITT H SDimmittHigh09-12324·
DIMMITT MIDDLEDimmittMiddle06-08246·
NAZARETH SCHOOLNazarethCombinedPK-12243·
HART ISDHartCombinedPK-12206·

Cities in Castro County

Dimmitt3 schoolsHart1 schoolNazareth1 school

About Castro County

Castro County is a low-population Texas county of about 7,344 residents, home to 5 public schools and roughly 1,526 students.

For perspective, census numbers show median household income runs near $56,776, 19% of adults hold a bachelor's degree or higher, and roughly 18% of residents live below the federal poverty line. That income level is 15% below the Texas median.

Looking at the level breakdown, Castro County spans 1 elementary school (507 students), 1 middle school (246), 1 high school (324), and 2 combined or other schools.

DIMMITT ISD is the biggest district by enrollment, covering about 1,077 students across Castro County.

Over the past 7-year window. Total public-school enrollment in Castro County has contracted 11% since SY 2017-18, moving from about 1,714 students to 1,526.

In the discussion threads here, the community for Castro County discusses sports rivalries, cross-district programs, and shared facilities. Anyone with firsthand knowledge of these schools is welcome to weigh in.

Frequently asked questions

How many public schools are in Castro County?
Castro County, Texas has 5 public K-12 schools serving approximately 1,526 students.
How many high schools are in Castro County?
Castro County, Texas has 1 public high school, serving approximately 324 students.
How many middle schools are in Castro County?
Castro County, Texas has 1 public middle school, serving approximately 246 students.
How many elementary schools are in Castro County?
Castro County, Texas has 1 public elementary school, serving approximately 507 students.
What is the largest school district in Castro County?
DIMMITT ISD is the largest school district in Castro County, serving approximately 1,077 students. The county contains 3 school districts overall.
What is the population of Castro County?
Castro County, Texas has a population of approximately 7,344, with a median age of 35. About 29.1% of residents are under 18.
What is the median household income in Castro County?
Median household income in Castro County is $56,776, below the Texas average of $66,482. About 18.2% of residents live below the federal poverty line.
How educated are residents of Castro County?
Approximately 18.6% of adults 25 and older in Castro County hold a bachelor's degree or higher, according to the Census ACS 5-year estimate.
What share of students in Castro County qualify for free or reduced lunch?
Roughly 69.5% of students in Castro County public schools qualify for free or reduced-price lunch, a common proxy for low-income enrollment. This is higher than the Texas county average of 61.1%.
What is the student-teacher ratio in Castro County schools?
Across Castro County public schools, the enrollment-weighted student-teacher ratio is approximately 12.3 to 1.
DATA · Census ACS 5-year · NCES Common Core of Data