Montessori Day 51��s Chartered Inc. (4359) School District

9201 N 7th Ave
Phoenix, AZ 85021-3518

Top 20%

Top Rankings

Montessori Day 51��s Chartered Inc. (4359) School District ranks among the top 20% of public school district in Arizona for:

Overview

This School District

This State (AZ)

# Schools

1 School

2,476 Schools

# Students

175 Students

1,123,989 Students

# Teachers

n/a

50,048 Teachers

Student-Teacher Ratio

n/a

Student By Grade

View Data

Comparison of Students By Grade Trends
Grade	Montessori Day 51��s Chartered Inc. (4359) School District	Arizona
Kind	25	103
1	23	111
2	26	116
3	24	113
4	18	117
5	17	117
6	18	117
7	11	118
8	13	120

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District Rank

Montessori Day 51��s Chartered Inc. (4359) School District, which is ranked within the top 20% of all 603 school districts in Arizona (based off of combined math and reading proficiency testing data) for the 2022-2023 school year.

This School District

State Average (AZ)

#80 out of 618 school districts
(Top 20%)

View Data

Overall School District Rank Trends
Year	Montessori Day 51��s Chartered Inc. (4359) School District
2023	#80
2022	#84
2021	#59
2019	#67
2018	#87
2017	#53
2016	#54
2015	#65
2014	#47
2013	#94
2012	#130

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52%

34%

View Data

Math Proficiency Trends
Year	Montessori Day 51��s Chartered Inc. (4359) School District	Arizona
2023	52%	34%
2022	52%	35%
2021	52%	32%
2019	62%	45%
2018	67%	45%
2017	67%	42%
2016	67%	39%
2015	62%	38%
2014	82%	63%
2013	72%	63%
2012	67%	63%

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65-69%

40%

View Data

Reading and Language Arts Proficiency Trends
Year	Montessori Day 51��s Chartered Inc. (4359) School District	Arizona
2022	67%	40%
2021	67%	39%
2019	82%	45%
2018	67%	44%
2017	77%	42%
2016	67%	40%
2015	62%	38%
2014	95%	79%
2013	92%	78%
2012	87%	77%
2011	82%	77%

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20-29%

24%

Students by Ethnicity:

0.59

0.66

View Data

Comparison of Diversity Score Trends
Year	Montessori Day 51��s Chartered Inc. (4359) School District	Arizona
2023	0.51	0.65
2022	0.56	0.65
2021	0.54	0.66
2020	0.62	0.65
2019	0.62	0.65
2018	0.62	0.65
2017	0.62	0.65
2016	0.60	0.65
2015	0.56	0.64
2014	0.57	0.64
2013	0.58	0.64
2012	0.64	0.64
2011	0.61	0.65
2010	0.61	0.64
2009	0.59	0.64
2008	0.58	0.63
2007	0.57	0.63
2006	0.59	0.63
2005	0.56	0.62
2004	0.51	0.63
2003	0.45	0.63
2002	0.39	0.62
2001	0.36	0.62
2000	0.40	0.62
1999	0.36	0.60

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% American Indian

View Data

American Indian Student Percentage Comparison Over Years (2001-2023)
Year	Montessori Day 51��s Chartered Inc. (4359) School District	Arizona
2023	1%	5%
2022	1%	5%
2020	1%	6%
2019	1%	6%
2018	1%	6%
2017	1%	6%
2015	1%	5%
2014	2%	5%
2013	1%	5%
2012	1%	5%
2011	2%	7%
2010	2%	6%
2009	1%	6%
2008	1%	5%
2007	2%	6%
2006	4%	7%
2005	4%	7%
2004	3%	8%
2003	2%	8%
2002	4%	8%
2001	3%	8%

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% Asian

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Asian Student Percentage Comparison Over Years (1999-2023)
Year	Montessori Day 51��s Chartered Inc. (4359) School District	Arizona
2023	1%	3%
2022	4%	3%
2021	6%	3%
2020	8%	3%
2019	8%	3%
2018	6%	3%
2017	6%	3%
2016	7%	3%
2015	6%	3%
2014	4%	3%
2013	7%	3%
2012	6%	3%
2011	6%	3%
2010	5%	3%
2009	6%	3%
2008	4%	3%
2007	3%	3%
2006	5%	2%
2005	5%	2%
2004	5%	2%
2003	4%	2%
2002	4%	2%
2001	4%	2%
2000	3%	2%
1999	6%	2%

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% Hispanic

36%

48%

View Data

Hispanic Student Percentage Comparison Over Years (1999-2023)
Year	Montessori Day 51��s Chartered Inc. (4359) School District	Arizona
2023	30%	47%
2022	22%	47%
2021	21%	46%
2020	23%	45%
2019	23%	45%
2018	28%	45%
2017	28%	45%
2016	27%	45%
2015	24%	45%
2014	26%	44%
2013	24%	43%
2012	28%	43%
2011	34%	42%
2010	40%	41%
2009	36%	41%
2008	37%	42%
2007	37%	41%
2006	30%	39%
2005	26%	38%
2004	24%	37%
2003	19%	36%
2002	11%	35%
2001	11%	33%
2000	15%	33%
1999	13%	32%

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% Black

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Black Student Percentage Comparison Over Years (1999-2023)
Year	Montessori Day 51��s Chartered Inc. (4359) School District	Arizona
2023	2%	6%
2022	4%	6%
2021	3%	6%
2020	3%	5%
2019	3%	5%
2018	2%	5%
2017	2%	5%
2016	4%	5%
2015	2%	5%
2014	2%	5%
2013	5%	5%
2012	6%	5%
2011	4%	5%
2010	5%	6%
2009	4%	6%
2008	4%	6%
2007	4%	5%
2006	5%	5%
2005	5%	5%
2004	2%	5%
2003	3%	5%
2002	4%	5%
2001	3%	5%
2000	4%	4%
1999	2%	5%

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% White

53%

34%

View Data

White Student Percentage Comparison Over Years (1999-2023)
Year	Montessori Day 51��s Chartered Inc. (4359) School District	Arizona
2023	64%	35%
2022	62%	35%
2021	64%	36%
2020	56%	38%
2019	56%	38%
2018	55%	38%
2017	55%	38%
2016	57%	39%
2015	62%	40%
2014	60%	41%
2013	60%	42%
2012	53%	42%
2011	53%	42%
2010	48%	44%
2009	53%	44%
2008	54%	44%
2007	54%	45%
2006	56%	47%
2005	60%	48%
2004	66%	48%
2003	72%	49%
2002	77%	50%
2001	79%	52%
2000	76%	53%
1999	78%	54%

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% Hawaiian

n/a

% Two or more races

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Two or More Races Student Percentage Comparison Over Years (2013-2023)
Year	Montessori Day 51��s Chartered Inc. (4359) School District	Arizona
2023	2%	4%
2022	7%	4%
2021	6%	4%
2020	9%	3%
2019	9%	3%
2018	7%	3%
2017	7%	3%
2016	4%	3%
2015	4%	2%
2014	5%	2%
2013	3%	2%

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All Ethnic Groups

District Revenue and Spending

The revenue/student of $14,754 is higher than the state median of $11,421. The school district revenue/student has grown by 57% over four school years.

The school district's spending/student of $14,086 is higher than the state median of $11,323. The school district spending/student has grown by 57% over four school years.

This School District

This State (AZ)

Total Revenue

$3 MM

$12,837 MM

View Data

Total Revenues Trends
Year	Montessori Day 51��s Chartered Inc. (4359) School District	Arizona
2023	$3 MM	$4 MM
2022	$3 MM	$4 MM
2021	$3 MM	$4 MM
2020	$3 MM	$4 MM
2019	$2 MM	$4 MM
2018	$2 MM	$4 MM
2017	$2 MM	$4 MM
2016	$2 MM	$3 MM
2015	$2 MM	$3 MM
2014	$2 MM	$3 MM
2012	$2 MM	$3 MM
2011	$2 MM	$3 MM
2010	$2 MM	$3 MM
2009	$2 MM	$2 MM
2008	$2 MM	$2 MM
2007	$2 MM	$2 MM
2006	$2 MM	$2 MM
2005	$2 MM	$2 MM
2004	$2 MM	$2 MM
2003	$2 MM	$2 MM
2002	$2 MM	$2 MM

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Spending

$3 MM

$12,727 MM

View Data

Total Expenditure Trends
Year	Montessori Day 51��s Chartered Inc. (4359) School District	Arizona
2023	$2 MM	$4 MM
2022	$2 MM	$4 MM
2021	$2 MM	$4 MM
2020	$2 MM	$4 MM
2019	$2 MM	$4 MM
2018	$2 MM	$4 MM
2017	$2 MM	$3 MM
2016	$2 MM	$3 MM
2015	$2 MM	$2 MM
2014	$2 MM	$3 MM
2012	$2 MM	$3 MM
2011	$2 MM	$2 MM
2010	$2 MM	$2 MM
2009	$2 MM	$2 MM
2008	$2 MM	$2 MM
2007	$2 MM	$2 MM
2006	$2 MM	$2 MM
2005	$2 MM	$2 MM
2004	$2 MM	$1 MM
2003	$2 MM	$1 MM
2002	$2 MM	$1 MM

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Revenue / Student

$14,754

$11,421

View Data

Average Revenue Per Student Trends
Year	Montessori Day 51��s Chartered Inc. (4359) School District	Arizona
2023	$14,187	$10,782
2022	$8,625	$10,794
2021	$9,389	$11,986
2020	$8,625	$10,794
2019	$8,202	$11,173
2018	$8,133	$11,763
2017	$7,514	$10,306
2016	$7,670	$9,541
2015	$6,629	$9,449
2014	$6,599	$8,489
2012	$6,769	$9,312
2011	$6,862	$9,958
2010	$7,415	$9,449
2009	$7,626	$9,374
2008	$7,544	$9,689
2007	$7,136	$9,028
2006	$6,173	$7,988
2005	$5,608	$7,640
2004	$5,480	$7,113
2003	$5,257	$6,846
2002	$4,908	$7,000

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Spending / Student

$14,086

$11,323

View Data

Average Expenditure Per Student Trends
Year	Montessori Day 51��s Chartered Inc. (4359) School District	Arizona
2023	$13,544	$10,054
2022	$7,020	$10,562
2021	$8,964	$11,177
2020	$7,020	$10,562
2019	$7,040	$10,609
2018	$7,490	$11,165
2017	$7,259	$9,883
2016	$7,236	$8,430
2015	$6,201	$8,879
2014	$6,785	$8,678
2012	$8,610	$9,270
2011	$6,988	$9,464
2010	$6,937	$8,879
2009	$6,691	$8,323
2008	$6,722	$8,177
2007	$6,315	$7,648
2006	$5,483	$7,012
2005	$5,035	$6,644
2004	$4,867	$6,165
2003	$4,659	$5,701
2002	$4,441	$6,081

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Best Montessori Day 51��s Chartered Inc. (4359) School District 51��s (2025-26)

School
(Math and Reading Proficiency)

Location

Quick Facts

Rank: #11.

Montessori Day 51��s Chartered - Mountainside

Charter School

(Math: 50-54% | Reading: 65-69%)
:

Top 20%

9215 N 14th St
Phoenix, AZ 85020
(602) 943-7672

Gr: K-8 | 175 students Minority enrollment: 47%

Frequently Asked Questions

How many schools belong to Montessori Day 51��s Chartered Inc. (4359) School District?

Montessori Day 51��s Chartered Inc. (4359) School District manages 1 public schools serving 175 students.

What is the rank of Montessori Day 51��s Chartered Inc. (4359) School District?

Montessori Day 51��s Chartered Inc. (4359) School District is ranked #80 out of 603 school districts in Arizona (top 20%) based off of combined math and reading proficiency testing data for the 2022-2023 school year. This district ranks in the top 20% of Arizona school districts for: Highest overall rank (Top 20%), Highest math proficiency (Top 20%) and Highest reading/language arts proficiency (Top 10%)

What is the racial composition of students in Montessori Day 51��s Chartered Inc. (4359) School District?

53% of Montessori Day 51��s Chartered Inc. (4359) School District students are White, 36% of students are Hispanic, 6% of students are Two or more races, 2% of students are Asian, 1% of students are American Indian, 1% of students are Black, and 1% of students are Hawaiian.

What is Montessori Day 51��s Chartered Inc. (4359) School District's spending/student ratio?

The school district's spending/student of $14,086 is higher than the state median of $11,323. The school district spending/student has grown by 57% over four school years.

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Quick Facts (2025-26)

District size: 1 school
Grades: KG-08
Enrollment: 175 students
Minority Enrollment: 47%
: Top 20% in AZ
: 52% (Top 20%)
: 65-69% (Top 10%)
: 20-29% (Top 50%)
Source: National Center for Education Statistics (NCES), AZ Dept. of Education