Serving 353 students in grades Kindergarten-5, Centennial Elementary School ranks in the bottom 50% of all schools in Idaho for overall test scores (math proficiency is top 50%, and reading proficiency is top 50%).
The percentage of students achieving proficiency in math is 45-49% (which is higher than the Idaho state average of 41%). The percentage of students achieving proficiency in reading/language arts is 40-44% (which is lower than the Idaho state average of 55%).
The student-teacher ratio of 15:1 is lower than the Idaho state level of 17:1.
Minority enrollment is 9% of the student body (majority Hispanic), which is lower than the Idaho state average of 27% (majority Hispanic).
Quick Facts (2026)
- Grades: Kindergarten-5
- Enrollment: 353 students
- Student-Teacher Ratio: 15:1
- Minority Enrollment: 9%
- Overall Testing Rank: Bottom 50% in ID
- Math Proficiency: 45-49% (Top 50%)
- Reading Proficiency: 40-44% (Btm 50%)
- Science Proficiency: 50-59% (Top 20%)
- Source: National Center for Education Statistics (NCES), ID Dept. of Education
Top Rankings
Centennial Elementary School ranks among the top 20% of public schools in Idaho for:
Category
Attribute
Science Proficiency
School Overview
Centennial Elementary School's student population of 353 students has stayed relatively flat over five school years.
The teacher population of 23 teachers has grown by 9% over five school years.
Grades Offered
Grades Kindergarten-5
(No virtual instruction)
(No virtual instruction)
Total Students
353 students
Gender %
Total Classroom Teachers
23 teachers
School Calendar
Last Day of School
Fri. May 1, 2026
School Rankings
Centennial Elementary 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 Centennial Elementary School is 0.17, 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
#388 out of 704 schools
(Bottom 50%)
(Bottom 50%)
Math Test Scores (% Proficient)
45-49%
41%
Reading/Language Arts Test Scores (% Proficient)
40-44%
55%
Science Test Scores (% Proficient)
50-59%
41%
Student-Teacher Ratio
15:1
17:1
American Indian
2%
1%
Asian
n/a
1%
Hispanic
4%
20%
Black
n/a
1%
White
91%
73%
Hawaiian
n/a
n/a
Two or more races
3%
4%
All Ethnic Groups
Participates in the National School Lunch Program (NSLP)
Yes
Eligible for Free Lunch
22%
26%
Eligible for Reduced Lunch
11%
8%
School Statewide Testing
School District Name
Lewiston Independent School District
Source: National Center for Education Statistics (NCES), ID Dept. of Education
Frequently Asked Questions
What is Centennial Elementary School's ranking?
Centennial Elementary School is ranked #388 out of 704 schools, which ranks it among the bottom 50% of public schools in Idaho.
What schools are Centennial Elementary School often compared to?
Centennial Elementary Schoolis often viewed alongside schools like Camelot Elementary School, Orchards Elementary School by visitors of our site.
What percent of students have achieved state testing proficiency in math and reading?
45-49% of students have achieved math proficiency (compared to the 41% ID state average), while 40-44% of students have achieved reading proficiency (compared to the 55% ID state average).
How many students attend Centennial Elementary School?
353 students attend Centennial Elementary School.
What is the racial composition of the student body?
91% of Centennial Elementary School students are White, 4% of students are Hispanic, 3% of students are Two or more races, and 2% of students are American Indian.
What is the student-teacher ratio of Centennial Elementary School?
Centennial Elementary School has a student ration of 15:1, which is lower than the Idaho state average of 17:1.
What grades does Centennial Elementary School offer ?
Centennial Elementary School offers enrollment in grades Kindergarten-5 (No virtual instruction).
What school district is Centennial Elementary School part of?
Centennial Elementary School is part of Lewiston Independent School District.
School Reviews
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