Serving 160 students in grades 6-12, Dr Robert Ketterer Cs Inc ranks in the bottom 50% of all schools in Pennsylvania for overall test scores (math proficiency is bottom 50%, and reading proficiency is bottom 50%).
The percentage of students achieving proficiency in math is 11-19% (which is lower than the Pennsylvania state average of 38%). The percentage of students achieving proficiency in reading/language arts is 11-19% (which is lower than the Pennsylvania state average of 55%).
The student-teacher ratio of 5:1 is lower than the Pennsylvania state level of 13:1.
Minority enrollment is 30% of the student body (majority Black), which is lower than the Pennsylvania state average of 39% (majority Hispanic and Black).
Quick Facts (2026)
- School Type: Charter School
- Grades: 6-12
- Enrollment: 160 students
- Student-Teacher Ratio: 5:1
- Minority Enrollment: 30%
- Graduation Rate: 60-79% (Btm 50% in PA)
- Overall Testing Rank: Bottom 50%
- Math Proficiency: 11-19% (Btm 50%)
- Reading Proficiency: 11-19% (Btm 50%)
- Science Proficiency: ≤20% (Btm 50%)
- Source: National Center for Education Statistics (NCES), PA Dept. of Education
School Overview
Dr Robert Ketterer Cs Inc's student population of 160 students has declined by 6% over five school years.
The teacher population of 30 teachers has grown by 50% over five school years.
School Type
Grades Offered
Grades 6-12
(Supplemental Virtual)
(Supplemental Virtual)
Total Students
160 students
Gender %
Total Classroom Teachers
30 teachers
Year Founded
1998
School Rankings
Dr Robert Ketterer Cs Inc ranks within the bottom 50% of all 2,733 schools in Pennsylvania (based off of combined math and reading proficiency testing data).
The diversity score of Dr Robert Ketterer Cs Inc is 0.48, which is less than the diversity score at state average of 0.59. The school's diversity has stayed relatively flat over five school years.
Overall Testing Rank
#2510 out of 2733 schools
(Bottom 50%)
(Bottom 50%)
Math Test Scores (% Proficient)
11-19%
38%
Reading/Language Arts Test Scores (% Proficient)
11-19%
55%
Science Test Scores (% Proficient)
≤20%
57%
Student-Teacher Ratio
5:1
13:1
American Indian
n/a
n/a
Asian
n/a
5%
Hispanic
5%
15%
Black
16%
14%
White
70%
61%
Hawaiian
n/a
n/a
Two or more races
9%
5%
All Ethnic Groups
Graduation Rate
60-79%
87%
Participates in the National School Lunch Program (NSLP)
Yes
Eligible for Free Lunch
90%
60%
Eligible for Reduced Lunch (22-23)
1%
2%
School Statewide Testing
School District Name
Source: National Center for Education Statistics (NCES), PA Dept. of Education
Frequently Asked Questions
What is Dr Robert Ketterer Cs Inc's ranking?
Dr Robert Ketterer Cs Inc is ranked #2510 out of 2,733 schools, which ranks it among the bottom 50% of public schools in Pennsylvania.
What percent of students have achieved state testing proficiency in math and reading?
11-19% of students have achieved math proficiency (compared to the 38% PA state average), while 11-19% of students have achieved reading proficiency (compared to the 55% PA state average).
What is the graduation rate of Dr Robert Ketterer Cs Inc?
The graduation rate of Dr Robert Ketterer Cs Inc is 60-79%, which is lower than the Pennsylvania state average of 87%.
How many students attend Dr Robert Ketterer Cs Inc?
160 students attend Dr Robert Ketterer Cs Inc.
What is the racial composition of the student body?
70% of Dr Robert Ketterer Cs Inc students are White, 16% of students are Black, 9% of students are Two or more races, and 5% of students are Hispanic.
What is the student-teacher ratio of Dr Robert Ketterer Cs Inc?
Dr Robert Ketterer Cs Inc has a student ration of 5:1, which is lower than the Pennsylvania state average of 13:1.
What grades does Dr Robert Ketterer Cs Inc offer ?
Dr Robert Ketterer Cs Inc offers enrollment in grades 6-12 (Supplemental Virtual).
What school district is Dr Robert Ketterer Cs Inc part of?
Dr Robert Ketterer Cs Inc is part of Dr Robert Ketterer Charter School Inc School District.
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