Arizona Autism Charter Schools Inc. (91958) vs Portable Practical Educational Preparation Inc. ( (4431)

Compiled from official source data by PlainSchools. · Updated September 2026

How do these districts compare?

Metric	Arizona Autism Charter Schools Inc. (91958)	Portable Practical Educational Preparation Inc. ( (4431)
Location	Phoenix, Arizona	Tucson, Arizona
Total Enrollment	721	726
Number of Schools	5	6
Student:Teacher Ratio	9.3:1	12.1:1

Metric	Arizona Autism Charter Schools Inc. (91958)	Portable Practical Educational Preparation Inc. ( (4431)
Per-Pupil Expenditure	$31,388	$11,876
Federal Revenue	8.1%	23.3%
State Revenue	78.5%	72.5%
Local Revenue	13.4%	4.2%

Arizona Autism Charter Schools Inc. (91958)

Federal State Local

Portable Practical Educational Preparation Inc. ( (4431)

Federal State Local

Average across all schools in each district. Source: CCD Membership 2024-25.

Group	Arizona Autism Charter Schools Inc. (91958)	Portable Practical Educational Preparation Inc. ( (4431)
White	30.8%	10.5%
African American	8.5%	3.2%
Hispanic or Latino	50.9%	78.3%
Asian	2.1%	0.0%
American Indian / Alaska Native	3.6%	6.8%
Pacific Islander	0.8%	0.3%
Multiracial	3.3%	0.9%
Free/Reduced Lunch	37.0%	87.2%

Source: Civil Rights Data Collection (CRDC) 2021-22

Resource	Arizona Autism Charter Schools Inc. (91958)	Portable Practical Educational Preparation Inc. ( (4431)
AP Courses Offered	N/A	N/A
Schools with AP	0	0
Avg Gifted Enrollment	N/A	N/A
Avg Counselor Ratio	176:1	144.5:1
Chronic Absenteeism	62.9%	N/A

Regular Schools 0

Charter Schools 5

Magnet Schools 0

Title I Schools 2

Regular Schools 0

Charter Schools 6

Magnet Schools 0

Title I Schools 6

Source: U.S. Department of Education NCES Common Core of Data + F-33 finance + Civil Rights Data Collection Compiled and formatted by PlainSchools.