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Pioneer Preparatory - A Challenge Foundation

Public, Charter Grades K-6

833^rd

SchoolDigger Rank ?

of 900 Arizona Elementary Schools

Better than 7% of Arizona elementary schools

Summary

Pioneer Preparatory - A Challenge Foundation is a K–6 school in Phoenix serving 368 students. Its 2025–2026 English Language Arts (ELA) proficiency rate was 19% and its math rate was 14%; both matched the figures for Pioneer Preparatory School. But Pioneer was below Arizona in every subject with a reported comparison: ELA was 22 percentage points lower than the state, math was 19 points lower, and fifth-grade science was 16 points lower. The clearest takeaway is that Pioneer’s reported proficiency matches its district’s, but trails the state in every reported subject.

Compared with nearby schools, Pioneer is below average in both all-grade subjects, though it is not the lowest in either: its ELA result was 5 points below the nearby average, and math was 7 points below. Fourth-grade ELA is a relative bright spot: Pioneer’s 30% was close to the nearby average of 31% and exceeded results at five of the eight nearby schools with reported figures, but remained 17 points below Arizona’s 47%. Pioneer’s student-teacher ratio also stands out locally: at 12.6, it was lower than every nearby school with a reported ratio, compared with a nearby average of 18.4. That contrast does not establish a connection between class-size measures and proficiency.

SchoolDigger places Pioneer at the 7th percentile with 0 stars for 2025–2026; among eight nearby schools with a percentile that year, six ranked higher and two lower. Its standing fell 14 percentile points from 2022–2023, though the available proficiency results do not show whether test performance is changing over time. SchoolDigger’s English Language Learner subgroup ranking is a notable relative strength: it was at the 36th percentile in 2022–2023, compared with the schoolwide 21st percentile, but had dropped from the group’s 57th percentile in 2020–2021. Pioneer reported a free/reduced-lunch rate of 63% in 2022–2023; comparable nearby rates were not supplied, and the older science and lunch figures do not show current trends or explain results.

368

Students ?

12.6

Student/teacher ratio ?

53.0%

Directly certified for free meals (2024-25) ?

100%

Kindergartners fully immunized against measles (MMR) (2025-26)

Exemptions: 0% (any vaccine)

6629 W Clarendon Ave
Phoenix, AZ 85033-4027

(623) 933-3733

District: Pioneer Preparatory School

Racial breakdown:

Hispanic:

94.0%

African American:

4.1%

White:

1.1%

See top rated Arizona elementary schools

Compare Pioneer Preparatory - A Challenge Foundation to nearby elementary schools!

At a glance

▼ Ranking trend: Declining — 52nd percentile in 2014 → 7th in 2026

Worth a look

!Test scores below the Arizona average (16% vs 37% meeting standards)

!In the lower quartile statewide (7th percentile)

!Ranking has slipped — down 45 percentile points since 2014

Students meeting standards (2025-2026) ?

This school16%

District avg16%

Arizona avg37%

833^rd of 900

Arizona public elementary schools ?

Bottom 7%▼ down 14 pts since 2016

From bottom 21% (2016) to bottom 7% (2026)

See the entire ranking list of Arizona Elementary Schools →

★★★★★

SchoolDigger rating ?

262^nd of 267Pioneer Preparatory School among Arizona districts

Statewide rank percentile over time (100 = the top-ranked school in the state; click a legend item to add a student group)

Show full rank history (all student groups)

All Students

Year	Avg score	Statewide rank	Arizona percentile	Rating
2026	12.4	833 of 900	7.4%	☆☆☆☆☆
2023	21.1	978 of 1245	21.4%	★☆☆☆☆
2022	14.9	846 of 1000	15.4%	★☆☆☆☆
2021	16.2	1089 of 1226	11.2%	★☆☆☆☆
2019	31.2	671 of 1039	35.4%	★★☆☆☆
2018	18.4	932 of 1109	16.0%	★☆☆☆☆
2017	21.4	889 of 1106	19.6%	★☆☆☆☆
2016	22.3	849 of 1079	21.3%	★☆☆☆☆
2015	17.0	820 of 955	14.1%	★☆☆☆☆
2014	52.9	519 of 1079	51.9%	★★★☆☆
2013	46.2	654 of 1158	43.5%	★★☆☆☆
2012	44.2	678 of 1141	40.6%	★★☆☆☆
2011	16.7	964 of 1075	10.3%	★☆☆☆☆

English Language Learner

Year	Avg score	Statewide rank	Arizona percentile	Rating
2023	28.7	288 of 451	36.1%	★★☆☆☆
2021	42.2	422 of 975	56.7%	★★★☆☆

Female

Year	Avg score	Statewide rank	Arizona percentile	Rating
2023	23.7	926 of 1219	24.0%	★☆☆☆☆
2021	16.7	1090 of 1219	10.6%	★☆☆☆☆
2019	24.7	630 of 862	26.9%	★☆☆☆☆
2018	17.2	899 of 1023	12.1%	★☆☆☆☆

Hispanic

Year	Avg score	Statewide rank	Arizona percentile	Rating
2023	25.7	898 of 1170	23.2%	★☆☆☆☆
2022	21.0	597 of 716	16.6%	★☆☆☆☆
2021	22.1	1020 of 1198	14.9%	★☆☆☆☆
2019	37.7	416 of 709	41.3%	★★☆☆☆
2018	25.2	726 of 911	20.3%	★☆☆☆☆

Low Socio Economic Status

Year	Avg score	Statewide rank	Arizona percentile	Rating
2023	29.9	810 of 1116	27.4%	★☆☆☆☆
2018	26.7	638 of 820	22.2%	★☆☆☆☆

Male

Year	Avg score	Statewide rank	Arizona percentile	Rating
2023	17.6	1043 of 1216	14.2%	★☆☆☆☆
2021	19.5	1026 of 1220	15.9%	★☆☆☆☆
2019	34.4	511 of 850	39.9%	★★☆☆☆
2018	23.2	798 of 1032	22.7%	★☆☆☆☆

Multi-racial

Year	Avg score	Statewide rank	Arizona percentile	Rating
2021	14.4	967 of 1027	5.8%	☆☆☆☆☆

Special Education

Year	Avg score	Statewide rank	Arizona percentile	Rating
2021	25.9	1008 of 1201	16.1%	★☆☆☆☆

How student groups rank statewide ? (each group's percentile vs the same group at other schools — higher is better; the +/- beside each compares the group with this school's overall percentile)

English Language Learner (2023)36th percentile+15 vs school

Low Socio Economic Status (2023)27th percentile+6 vs school

Female (2023)24th percentile+3 vs school

Hispanic (2023)23rd percentile~ school

Special Education (2021)16th percentile+5 vs school

Male (2023)14th percentile-7 vs school

Multi-racial (2021)6th percentile-5 vs school

By subject vs Arizona (2025-2026) ?

English Language Arts19%-22 vs state

Mathematics14%-19 vs state

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Schools Near Pioneer Preparatory - A Challenge Foundation

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Ranking:

E Elementary M Middle H High A Alternative P Private

Choose columns to see: Summary School Students/Teachers Ranking Test Scores Vaccination Finance All

School													Students/Teachers											Ranking (2026)				Ranking (2025)				AASA English Language Arts (2026)							AASA Mathematics (2026)							Vaccination (2025-26)		Per Pupil Expenditures (2022)
Name	Type	Grades	Address	City	Zip	County	District	Is Charter	Is Magnet	Is Virtual	Is Title I	Phone	Enrollment	Full-time Teachers	Student/ Teacher Ratio	Directly certified (2024-25)	White	Black	Hispanic	Asian	American Indian	Pacific Islander	Two or More Races	Average Standard Score (2026)	Statewide Rank (2026)	State Percentile (2026)	SchoolDigger Rating (2026)	Average Standard Score (2025)	Statewide Rank (2025)	State Percentile (2025)	Rank Change from Previous Year	AASA English Language Arts 3rd Grade	AASA English Language Arts 4th Grade	AASA English Language Arts 5th Grade	AASA English Language Arts 6th Grade	AASA English Language Arts 7th Grade	AASA English Language Arts 8th Grade	AASA English Language Arts All Grades	AASA Mathematics 3rd Grade	AASA Mathematics 4th Grade	AASA Mathematics 5th Grade	AASA Mathematics 6th Grade	AASA Mathematics 7th Grade	AASA Mathematics 8th Grade	AASA Mathematics All Grades	Vaccination: Kindergartners fully immunized against measles (MMR)	Vaccination: Exemption rate	Per Pupil Expenditures: Total	Personnel Spending from Federal Funds	Non-Personnel Spending from Federal Funds	Sub-total from Federal Funds	Personnel Spending from State and Local Funds	Non-Personnel from State and Local Funds	Sub-total Spending from State and Local Funds
Pioneer Preparatory - A Challenge Foundation	Public, Charter	K-6	6629 W Clarendon Ave	Phoenix	85033	Maricopa County	Pioneer Preparatory School	Yes	(n/a)	No	Yes	(623) 933-3733	368	29	12.6	53.0%	4 (1.1%)	15 (4.1%)	346 (94.0%)	0 (0.0%)	0 (0.0%)	0 (0.0%)	3 (0.8%)	12.4	833^rd of 900 public elementary schools	7.4%					(n/a)	22.0	30.0					19.0	20.0						14.0	100%	0%		$00			$00
Sunset School	Public	PK, KG-6	6602 W Osborn Rd	Phoenix	85033	Maricopa County	Cartwright Elementary District	No	(n/a)	No	Yes	(623) 691-4600	739	39	19.1	63.2%	19 (2.6%)	26 (3.5%)	673 (91.1%)	7 (0.9%)	12 (1.6%)	0 (0.0%)	2 (0.3%)	43.6	439^th of 900 public elementary schools	51.2%		36	502^nd of 909 public elementary schools	44.8%	63	35.0	35.0	32.0	37.0			35.0	51.0	46.0	54.0	37.0			46.0	97.3%	2.7%	$13,442	$3,851	$440	$8,142	$7,689	$1,461	$9,151
Victory Collegiate Academy	Public, Charter	K-8	3535 N 63rd Ave	Phoenix	85033	Maricopa County	Victory Collegiate Academy Corporation	Yes	(n/a)	No	Yes	(623) 810-9781	291	20	14.5	62.5%	35 (12.0%)	33 (11.3%)	221 (75.9%)	0 (0.0%)	0 (0.0%)	0 (0.0%)	2 (0.7%)								(n/a)							20.0								56.7%	3.3%		$00			$00
Holiday Park School	Public	PK, KG-6	4417 N 66th Ave	Phoenix	85033	Maricopa County	Cartwright Elementary District	No	(n/a)	No	Yes	(623) 691-4500	530	33	16.3	66.8%	22 (4.2%)	24 (4.5%)	477 (90.0%)	0 (0.0%)	4 (0.8%)	1 (0.2%)	2 (0.4%)	30.7	545^th of 900 public elementary schools	39.4%		20.2	701^st of 909 public elementary schools	22.9%	156		39.0	30.0	38.0			33.0		26.0	27.0	40.0			29.0	96.7%	1.6%	$11,911	$3,716	$514	$7,947	$6,180	$1,500	$7,680
G. Frank Davidson	Public	PK, KG-6	6935 W Osborn Rd	Phoenix	85033	Maricopa County	Cartwright Elementary District	No	(n/a)	No	Yes	(623) 691-1500	629	32	19.8	62.0%	10 (1.6%)	26 (4.1%)	583 (92.7%)	2 (0.3%)	3 (0.5%)	1 (0.2%)	4 (0.6%)	8.3	877^th of 900 public elementary schools	2.6%		6.2	906^th of 909 public elementary schools	0.3%	29		25.0	13.0	17.0			18.0	24.0	17.0					13.0	100%	0%	$12,193	$3,553	$396	$7,502	$6,801	$1,443	$8,244
Heatherbrae School	Public	PK, KG-6	7070 W Heatherbrae Dr	Phoenix	85033	Maricopa County	Cartwright Elementary District	No	(n/a)	No	Yes	(623) 691-5200	607	31	19.7	65.6%	15 (2.5%)	56 (9.2%)	521 (85.8%)	3 (0.5%)	3 (0.5%)	4 (0.7%)	5 (0.8%)	13.1	824^th of 900 public elementary schools	8.4%		7.6	894^th of 909 public elementary schools	1.7%	70		19.0		25.0			17.0	30.0			14.0			17.0	95.6%	4.4%	$12,796	$2,039	$624	$4,703	$8,620	$1,513	$10,133
Academy of Math and Science Camelback	Public, Charter	K-8	6633 W Camelback Rd	Phoenix	85033	Maricopa County	Academy of Mathematics and Science Inc.	Yes	(n/a)	No	Yes	(623) 547-5587	1,063	51	20.8	55.5%	39 (3.7%)	91 (8.6%)	916 (86.2%)	10 (0.9%)	5 (0.5%)	2 (0.2%)	0 (0.0%)	16.1	765^th of 900 public elementary schools	15.0%		18.1	728^th of 909 public elementary schools	19.9%	37	22.0	31.0	25.0	18.0	25.0	38.0	27.0	33.0	23.0	27.0			32.0	24.0	69.4%	37.9%		$00			$00
Cartwright School	Public	PK, KG-8	2825 N 59th Ave	Phoenix	85031	Maricopa County	Cartwright Elementary District	No	(n/a)	No	Yes	(623) 691-4100	670	36	18.8	64.0%	12 (1.8%)	30 (4.5%)	615 (91.8%)	2 (0.3%)	5 (0.7%)	1 (0.1%)	5 (0.7%)								(n/a)	17.0		19.0				12.0							8.0			$12,454	$3,677	$473	$7,828	$6,607	$1,696	$8,304
Frank Borman School	Public	PK, KG-8	3637 N 55th Ave	Phoenix	85031	Maricopa County	Cartwright Elementary District	No	(n/a)	No	Yes	(623) 691-5000	960	47	20.6	69.4%	12 (1.3%)	56 (5.8%)	860 (89.6%)	6 (0.6%)	16 (1.7%)	1 (0.1%)	9 (0.9%)	13.8	814^th of 900 public elementary schools	9.6%		10.4	868^th of 909 public elementary schools	4.5%	54	25.0	30.0	19.0	24.0	18.0	31.0	25.0	24.0	27.0	14.0	22.0		12.0	18.0	98.5%	1.5%	$12,058	$3,133	$411	$6,676	$7,069	$1,446	$8,514
ACCLAIM Academy	Public, Charter	K-8	7624 W Indian School Rd	Phoenix	85033	Maricopa County	Acclaim Charter School	Yes	(n/a)	No	Yes	(623) 691-0919	249	17	14.6	46.6%	19 (7.6%)	3 (1.2%)	227 (91.2%)	0 (0.0%)	0 (0.0%)	0 (0.0%)	0 (0.0%)	61.9	308^th of 900 public elementary schools	65.8%					(n/a)		56.0		40.0		50.0	39.0			66.0			30.0	29.0				$00			$00

Frequently Asked Questions about Pioneer Preparatory - A Challenge Foundation

What is the racial makeup of Pioneer Preparatory - A Challenge Foundation?

Students at Pioneer Preparatory - A Challenge Foundation are 94% Hispanic, 4% African American, 1% White.

How many students attend Pioneer Preparatory - A Challenge Foundation?

In the 2024-25 school year, 368 students attended Pioneer Preparatory - A Challenge Foundation.

Is Pioneer Preparatory - A Challenge Foundation a good school?

Pioneer Preparatory - A Challenge Foundation ranks in the bottom 7.4% of Arizona elementary schools.

What district is Pioneer Preparatory - A Challenge Foundation in?

Pioneer Preparatory School

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Latest Arizona data All new data »

2015–16 through 2025–26 immunization rates (updated)NewOct 19, 2026

2025–26 AASA test scoresOct 13, 2026

2024–25 dropout ratesDec 2, 2025

2024–25 graduation ratesNov 7, 2025

SchoolDigger data sources: National Center for Education Statistics, U.S. Department of Education, the U.S. Census Bureau and the Arizona Department of Education.

IMPORTANT DISCLAIMERS: Not all boundaries are included. We make every effort to ensure that boundaries are up-to-date. But it's important to note that these are approximations and are for general informational purposes only. To verify legal descriptions of boundaries or school locations, contact your local tax assessor's office and/or school district.