Declo Senior High School

505 East Main Street
Declo, ID 83323
(School attendance zone shown in map)
: 
5/
10
Bottom 50%
Declo High School is a public high school in Declo, Idaho. It is the second largest high school operated by the Cassia County Joint School District.
Serving 326 students in grades 9-12, Declo Senior High School ranks in the bottom 50% of all schools in Idaho for overall test scores (math proficiency is bottom 50%, and reading proficiency is bottom 50%).
The percentage of students achieving proficiency in math is 30-34% (which is lower than the Idaho state average of 41%). The percentage of students achieving proficiency in reading/language arts is 50-54% (which is lower than the Idaho state average of 55%).
The student-teacher ratio of 19:1 is higher than the Idaho state level of 17:1.
Minority enrollment is 21% of the student body (majority Hispanic), which is lower than the Idaho state average of 28% (majority Hispanic).

Quick Facts (26-27)

  • Grades: 9-12
  • Enrollment: 326 students
  • Student-Teacher Ratio: 19:1
  • Minority Enrollment: 21%
  • : ≥95% (Top 1% in ID)
  • : Bottom 50%
  • : 30-34% (Btm 50%)
  • : 50-54% (Top 50%)
  • : 20-24% (Btm 50%)
  • : DeClow Senior High School serves the northeast part of its school district in Declo, ID, covering an attendance area of approximately 496 square miles. Families in this zone can typically expect a 20-30 minute drive to the school, with the furthest edge located about 32.5 miles away.
  • Source: National Center for Education Statistics (NCES), ID Dept. of Education

Top Rankings

Declo Senior High School ranks among the top 20% of public schools in Idaho for:

Category
Attribute

School Overview

Declo Senior High School's student population of 326 students has grown by 10% over five school years.
The teacher population of 17 teachers has declined by 5% over five school years.
Grades Offered
Grades 9-12
(No virtual instruction)
Total Students
326 students

Showing 2016–2025. Full 39-year historical data available below ↓

Total Classroom Teachers
17 teachers

Showing 2016–2025. Full 39-year historical data available below ↓

School Calendar
School Motto
Creating Lifetime Learners

School Rankings

Declo Senior High School ranks within the bottom 50% of all 704 schools in Idaho (based off of combined math and reading proficiency testing data).
The diversity score of Declo Senior High School is 0.34, which is less than the diversity score at state average of 0.44. The school's diversity has stayed relatively flat over five school years.
This School
State Level (ID)
#410 out of 704 schools
(Bottom 50%)

Showing 2012–2023. Full 14-year historical data available below ↓

30-34%
41%

Showing 2012–2023. Full 14-year historical data available below ↓

50-54%
55%

Showing 2011–2022. Full 13-year historical data available below ↓

20-24%
41%
Student-Teacher Ratio
19:1
17:1

Showing 2016–2025. Full 39-year historical data available below ↓

Hispanic
21%
21%

Showing 2016–2025. Full 25-year historical data available below ↓

White
79%
72%

Showing 2016–2025. Full 25-year historical data available below ↓

All Ethnic Groups
21%
0.34

Showing 2016–2025. Full 25-year historical data available below ↓

≥95%
81.1%
(22-23)
4.6%
16.9%
Participates in the National School Lunch Program (NSLP)
Yes
Eligible for Free Lunch
24%
32%

Showing 2016–2025. Full 38-year historical data available below ↓

Eligible for Reduced Lunch
11%
7%

Showing 2016–2025. Full 26-year historical data available below ↓

School Statewide Testing

Sports

School Mascot
Mighty Hornets
Source: National Center for Education Statistics (NCES), ID Dept. of Education

Frequently Asked Questions

What is Declo Senior High School's ranking?
Declo Senior High School is ranked #410 out of 704 schools, which ranks it among the bottom 50% of public schools in Idaho.
What percent of students have achieved state testing proficiency in math and reading?
30-34% of students have achieved math proficiency (compared to the 41% ID state average), while 50-54% of students have achieved reading proficiency (compared to the 55% ID state average).
What is the graduation rate of Declo Senior High School?
The graduation rate of Declo Senior High School is 95%, which is higher than the Idaho state average of 81.1%.
How many students attend Declo Senior High School?
326 students attend Declo Senior High School.
What is the racial composition of the student body?
79% of Declo Senior High School students are White, and 21% of students are Hispanic.
What is the student-teacher ratio of Declo Senior High School?
Declo Senior High School has a student ration of 19:1, which is higher than the Idaho state average of 17:1.
What grades does Declo Senior High School offer ?
Declo Senior High School offers enrollment in grades 9-12 (No virtual instruction).
What school district is Declo Senior High School part of?
Declo Senior High School is part of Cassia County Joint School District.

School Reviews

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Quick Facts (26-27)

  • Grades: 9-12
  • Enrollment: 326 students
  • Student-Teacher Ratio: 19:1
  • Minority Enrollment: 21%
  • : ≥95% (Top 1%)
  • : Bottom 50%
  • : 30-34% (Btm 50%)
  • : 50-54% (Top 50%)
  • : 20-24% (Btm 50%)
  • : DeClow Senior High School serves the northeast part of its school district in Declo, ID, covering an attendance area of approximately 496 square miles. Families in this zone can typically expect a 20-30 minute drive to the school, with the furthest edge located about 32.5 miles away.
  • Source: National Center for Education Statistics (NCES), ID Dept. of Education

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