Costano Elementary School
Costano Elementary School serves 425 students in grades Kindergarten-8.
Costano Elementary School placed in the bottom 50% of all schools in California for overall test scores (math proficiency is bottom 50%, and reading proficiency is bottom 50%) for the 2018-19 school year.
The percentage of students achieving proficiency in math is 15-19% (which is lower than the California state average of 40%) for the 2018-19 school year. The percentage of students achieving proficiency in reading/language arts is 20-24% (which is lower than the California state average of 51%) for the 2018-19 school year.
The student:teacher ratio of 19:1 is lower than the California state level of 23:1.
Minority enrollment is 98% of the student body (majority Hispanic), which is higher than the California state average of 77% (majority Hispanic).
Top Rankings
Costano Elementary School ranks among the top 20% of public schools in California for:
Category
Attribute
Percent Eligible For Free Lunch
School Overview
Costano Elementary School's student population of 425 students has declined by 16% over five school years.
The teacher population of 22 teachers has declined by 8% over five school years.
Grades Offered
Grades Kindergarten-8
Total Students
425 students
Gender %
Total Classroom Teachers
22 teachers
Students by Grade
School Calendar
School Rankings
Costano Elementary School is ranked within the bottom 50% of all 9,659 schools in California (based off of combined math and reading proficiency testing data) for the 2018-19 school year.
The diversity score of Costano Elementary School is 0.50, which is less than the diversity score at state average of 0.64. The school's diversity has stayed relatively flat over five school years.
Overall Testing Rank
#8673 out of 9659 schools
(Bottom 50%)
(Bottom 50%)
Math Test Scores (% Proficient)
15-19%
40%
Reading/Language Arts Test Scores (% Proficient)
20-24%
51%
Student : Teacher Ratio
19:1
23:1
American Indian
n/a
1%
Asian
1%
12%
Hispanic
68%
54%
Black
8%
5%
White
2%
23%
Hawaiian
20%
1%
Two or more races
1%
4%
All Ethnic Groups
Eligible for Free Lunch
90%
53%
Eligible for Reduced Lunch
1%
7%
School Statewide Testing
School District Name
Source: 2017-2018 (latest school year available) NCES, CA Dept. of Education
School Reviews
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