麻豆果冻传媒

J. Marion Roynon Elementary School

2715 E St.
San Dimas, CA 91773
(School attendance zone shown in map)
9/
10
Top 20%
Serving 841 students in grades Kindergarten-5, J. Marion Roynon Elementary School ranks in the top 20% of all schools in California for overall test scores (math proficiency is top 20%, and reading proficiency is top 20%).
The percentage of students achieving proficiency in math is 55% (which is higher than the California state average of 33%). The percentage of students achieving proficiency in reading/language arts is 62% (which is higher than the California state average of 47%).
The student:teacher ratio of 25:1 is higher than the California state level of 22:1.
Minority enrollment is 81% of the student body (majority Hispanic), which is higher than the California state average of 79% (majority Hispanic).

Quick Stats (2024-25)

  • School Type: Magnet School
  • Grades: Kindergarten-5
  • Enrollment: 841 students
  • Student:Teacher Ratio: 25:1
  • Minority Enrollment: 81%
  • : Top 20% in CA
  • : 55% (Top 20%)
  • : 62% (Top 30%)
  • : 40-44% (Top 30%)
  • Source: National Center for Education Statistics (NCES), CA Dept. of Education
<麻豆果冻传媒 class="so-dt-title" id="top-rankings">Top Rankings

J. Marion Roynon Elementary School ranks among the top 20% of public schools in California for:

Category
Attribute
<麻豆果冻传媒 class='so-dt-title' id="overview">School Overview
J. Marion Roynon Elementary School's student population of 841 students has grown by 17% over five school years.
The teacher population of 34 teachers has grown by 17% over five school years.
School Type
Grades Offered
Grades Kindergarten-5
Total Students
841 students
This chart displays total students of J. Marion Roynon Elementary School by year, with the latest 2022-23 school year data.
Gender %
This chart displays gender of J. Marion Roynon Elementary School
Total Classroom Teachers
34 teachers
This chart displays the total teachers of J. Marion Roynon Elementary School by year, with the latest 2022-23 school year data.
Students by Grade
This chart displays the students of J. Marion Roynon Elementary School by grade.
School Calendar
<麻豆果冻传媒 class='so-dt-title' id="school-rankings">School Rankings
J. Marion Roynon Elementary School ranks within the top 20% of all 9,602 schools in California (based off of combined math and reading proficiency testing data).
The diversity score of J. Marion Roynon Elementary School is 0.56, 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.
This School
State Level (CA)
#1656 out of 9602 schools
(Top 20%)
This chart displays the overall school rank of J. Marion Roynon Elementary School, with the latest 2021-22 school year data.
55%
33%
This chart displays the percentage of students that scored at or above 'proficient' levels in Math of J. Marion Roynon Elementary School and the percentage of public school students that scored at or above 'proficient' levels in Math of public schools in California by year, with the latest 2021-22 school year data.
62%
47%
This chart displays the percentage of students that scored at or above 'proficient' levels in Reading/Language Arts of J. Marion Roynon Elementary School and the percentage of public school students that scored at or above 'proficient' levels in Reading/Language Arts of California by year, with the latest 2021-22 school year data.
40-44%
29%
Student : Teacher Ratio
25:1
22:1
This chart displays the student teacher ratio of J. Marion Roynon Elementary School and the public school average student teacher ratio of California by year, with the latest 2022-23 school year data.
American Indian
n/a
1%
This chart displays the percentage of American Indian students in J. Marion Roynon Elementary School and percentage of American Indian public school students in California by year, with the latest 2006-07 school year data.
Asian
9%
12%
This chart displays the percentage of Asian students in J. Marion Roynon Elementary School and the percentage of Asian public school students in California by year, with the latest 2022-23 school year data.
Hispanic
63%
55%
This chart displays the percentage of Hispanic students in J. Marion Roynon Elementary School and the percentage of Hispanic public school students in California by year, with the latest 2022-23 school year data.
Black
3%
5%
This chart displays the percentage of Black students in J. Marion Roynon Elementary School and the percentage of Black public school students in California by year, with the latest 2022-23 school year data.
White
19%
21%
This chart displays the percentage of White students in J. Marion Roynon Elementary School and the percentage of White public school students in California by year, with the latest 2022-23 school year data.
Hawaiian
n/a
n/a
Two or more races
6%
6%
This chart displays the percentage of students of two or more races in J. Marion Roynon Elementary School and the percentage of public school students of two or more races in California by year, with the latest 2022-23 school year data.
All Ethnic Groups
This chart displays the percentage breakdown of students of all ethnic groups in J. Marion Roynon Elementary School.
This chart displays the percentage breakdown of public school students of all ethnic groups in California.
0.56
This chart displays the diversity score of J. Marion Roynon Elementary School and the public school average diversity score of California by year, with the latest 2022-23 school year data.
Eligible for Free Lunch
41%
51%
This chart displays the percentage of students who is eligible for free lunch in J. Marion Roynon Elementary School and the percentage of public school students who is eligible for free lunch in California by year, with the latest 2022-23 school year data.
Eligible for Reduced Lunch
3%
8%
This chart displays the percentage of students who is eligible for reduced lunch in J. Marion Roynon Elementary School and the percentage of public school students who is eligible for reduced lunch in California by year, with the latest 2022-23 school year data.
School Statewide Testing
School District Name
Source: National Center for Education Statistics (NCES), CA Dept. of Education
<麻豆果冻传媒 class='so-dt-title' id='faq'>Frequently Asked Questions
What is J. Marion Roynon Elementary School's ranking?
J. Marion Roynon Elementary School is ranked #1656 out of 9,602 schools, which ranks it among the top 20% of public schools in California.
What schools are J. Marion Roynon Elementary School often compared to?
J. Marion Roynon Elementary Schoolis often viewed alongside schools like Oak Mesa Elementary School, Grace Miller Elementary School by visitors of our site.
What percent of students have achieved state testing proficiency in math and reading?
55% of students have achieved math proficiency (compared to the 33% CA state average), while 62% of students have achieved reading proficiency (compared to the 47% CA state average).
How many students attend J. Marion Roynon Elementary School?
841 students attend J. Marion Roynon Elementary School.
What is the racial composition of the student body?
63% of J. Marion Roynon Elementary School students are Hispanic, 19% of students are White, 9% of students are Asian, 6% of students are Two or more races, and 3% of students are Black.
What is the student:teacher ratio of J. Marion Roynon Elementary School?
J. Marion Roynon Elementary School has a student ration of 25:1, which is higher than the California state average of 22:1.
What grades does J. Marion Roynon Elementary School offer ?
J. Marion Roynon Elementary School offers enrollment in grades Kindergarten-5
What school district is J. Marion Roynon Elementary School part of?
J. Marion Roynon Elementary School is part of Bonita Unified School District.

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Quick Stats (2024-25)

  • School Type: Magnet School
  • Grades: Kindergarten-5
  • Enrollment: 841 students
  • Student:Teacher Ratio: 25:1
  • Minority Enrollment: 81%
  • : Top 20%
  • : 55% (Top 20%)
  • : 62% (Top 30%)
  • : 40-44% (Top 30%)
  • Source: National Center for Education Statistics (NCES), CA Dept. of Education

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