Serving 459 students in grades Prekindergarten-5, Declo Elementary School ranks in the top 50% of all schools in Idaho for overall test scores (math proficiency is top 30%, and reading proficiency is top 30%).
The percentage of students achieving proficiency in math is 51% (which is higher than the Idaho state average of 41%). The percentage of students achieving proficiency in reading/language arts is 51% (which is lower than the Idaho state average of 55%).
The student-teacher ratio of 24:1 is higher than the Idaho state level of 17:1.
Minority enrollment is 18% of the student body (majority Hispanic), which is lower than the Idaho state average of 27% (majority Hispanic).
Quick Facts (2026)
- Grades: Prekindergarten-5
- Enrollment: 459 students
- Student-Teacher Ratio: 24:1
- Minority Enrollment: 18%
- Overall Testing Rank: Top 50% in ID
- Math Proficiency: 51% (Top 30%)
- Reading Proficiency: 51% (Btm 50%)
- Science Proficiency: 40-44% (Top 50%)
- Source: National Center for Education Statistics (NCES), ID Dept. of Education
School Overview
Declo Elementary School's student population of 459 students has grown by 13% over five school years.
The teacher population of 19 teachers has grown by 5% over five school years.
Grades Offered
Grades Prekindergarten-5
(No virtual instruction)
(No virtual instruction)
Total Students
459 students
Gender %
Total Classroom Teachers
19 teachers
Year Founded
1905
School Calendar
School Rankings
Declo Elementary School ranks within the top 50% of all 704 schools in Idaho (based off of combined math and reading proficiency testing data).
The diversity score of Declo Elementary School is 0.30, which is less than the diversity score at state average of 0.43. The school's diversity has stayed relatively flat over five school years.
Overall Testing Rank
#262 out of 704 schools
(Top 50%)
(Top 50%)
Math Test Scores (% Proficient)
51%
41%
Reading/Language Arts Test Scores (% Proficient)
51%
55%
Science Test Scores (% Proficient)
40-44%
41%
Student-Teacher Ratio
24:1
17:1
American Indian
n/a
1%
Asian
n/a
1%
Hispanic
17%
20%
Black
1%
1%
White
82%
73%
Hawaiian
n/a
n/a
Two or more races
n/a
4%
All Ethnic Groups
Participates in the National School Lunch Program (NSLP)
Yes
Eligible for Free Lunch
24%
26%
Eligible for Reduced Lunch
16%
8%
School Statewide Testing
School District Name
Source: National Center for Education Statistics (NCES), ID Dept. of Education
Frequently Asked Questions
What is Declo Elementary School's ranking?
Declo Elementary School is ranked #262 out of 704 schools, which ranks it among the top 50% of public schools in Idaho.
What percent of students have achieved state testing proficiency in math and reading?
51% of students have achieved math proficiency (compared to the 41% ID state average), while 51% of students have achieved reading proficiency (compared to the 55% ID state average).
How many students attend Declo Elementary School?
459 students attend Declo Elementary School.
What is the racial composition of the student body?
82% of Declo Elementary School students are White, 17% of students are Hispanic, and 1% of students are Black.
What is the student-teacher ratio of Declo Elementary School?
Declo Elementary School has a student ration of 24:1, which is higher than the Idaho state average of 17:1.
What grades does Declo Elementary School offer ?
Declo Elementary School offers enrollment in grades Prekindergarten-5 (No virtual instruction).
What school district is Declo Elementary School part of?
Declo Elementary School is part of Cassia County Joint School District.
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