Xavier Charter School is a public charter school in Twin Falls, Idaho.
Serving 661 students in grades Kindergarten-12, Xavier Charter School ranks in the top 30% of all schools in Idaho for overall test scores (math proficiency is top 20%, and reading proficiency is top 20%).
The percentage of students achieving proficiency in math is 54% (which is higher than the Idaho state average of 41%). The percentage of students achieving proficiency in reading/language arts is 60% (which is higher 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 26% of the student body (majority Hispanic), which is lower than the Idaho state average of 27% (majority Hispanic).
Quick Facts (2026)
- School Type: Charter School
- Grades: Kindergarten-12
- Enrollment: 661 students
- Student-Teacher Ratio: 19:1
- Minority Enrollment: 26%
- Graduation Rate: ≥80% (Top 50% in ID)
- Overall Testing Rank: Top 30%
- Math Proficiency: 54% (Top 20%)
- Reading Proficiency: 60% (Top 50%)
- Science Proficiency: 45-49% (Top 50%)
- Source: National Center for Education Statistics (NCES), ID Dept. of Education
Top Rankings
Xavier Charter School ranks among the top 20% of public schools in Idaho for:
Category
Attribute
Math Proficiency
School Overview
Xavier Charter School's student population of 661 students has stayed relatively flat over five school years.
The teacher population of 35 teachers has grown by 6% over five school years.
School Type
Grades Offered
Grades Kindergarten-12
(No virtual instruction)
(No virtual instruction)
Total Students
661 students
Gender %
Total Classroom Teachers
35 teachers
Year Founded
2007
School Calendar
School Rankings
Xavier Charter School ranks within the top 30% of all 704 schools in Idaho (based off of combined math and reading proficiency testing data).
The diversity score of Xavier Charter School is 0.41, 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
#161 out of 704 schools
(Top 30%)
(Top 30%)
Math Test Scores (% Proficient)
54%
41%
Reading/Language Arts Test Scores (% Proficient)
60%
55%
Science Test Scores (% Proficient)
45-49%
41%
Student-Teacher Ratio
19:1
17:1
American Indian
n/a
1%
Asian
2%
1%
Hispanic
21%
20%
Black
1%
1%
White
74%
73%
Hawaiian
n/a
n/a
Two or more races
2%
4%
All Ethnic Groups
Graduation Rate
≥80%
80%
Participates in the National School Lunch Program (NSLP)
Yes
Eligible for Free Lunch
22%
26%
Eligible for Reduced Lunch
8%
8%
School Statewide Testing
School District Name
Source: National Center for Education Statistics (NCES), ID Dept. of Education
School Notes
- School Mascot: Phoenix
Frequently Asked Questions
What is Xavier Charter School's ranking?
Xavier Charter School is ranked #161 out of 704 schools, which ranks it among the top 30% of public schools in Idaho.
What schools are Xavier Charter School often compared to?
Xavier Charter Schoolis often viewed alongside schools like Castleford School by visitors of our site.
What percent of students have achieved state testing proficiency in math and reading?
54% of students have achieved math proficiency (compared to the 41% ID state average), while 60% of students have achieved reading proficiency (compared to the 55% ID state average).
What is the graduation rate of Xavier Charter School?
The graduation rate of Xavier Charter School is 80%, which is equal to the Idaho state average of 80%.
How many students attend Xavier Charter School?
661 students attend Xavier Charter School.
What is the racial composition of the student body?
74% of Xavier Charter School students are White, 21% of students are Hispanic, 2% of students are Asian, 2% of students are Two or more races, and 1% of students are Black.
What is the student-teacher ratio of Xavier Charter School?
Xavier Charter School has a student ration of 19:1, which is higher than the Idaho state average of 17:1.
What grades does Xavier Charter School offer ?
Xavier Charter School offers enrollment in grades Kindergarten-12 (No virtual instruction).
What school district is Xavier Charter School part of?
Xavier Charter School is part of Xavier Charter School Inc. School District.
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