Mary L Welty Elementary School (Ranked Bottom 50% for 2025-26)

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Mary L Welty Elementary School

1050 W Cimarron St
Nogales, AZ 85621

( shown in map)

Bottom 50%

Serving 379 students in grades Kindergarten-5, Mary L Welty Elementary School ranks in the bottom 50% of all schools in Arizona for overall test scores (math proficiency is top 50%, and reading proficiency is top 50%).

The percentage of students achieving is 25-29% (which is lower than the Arizona state average of 34%). The percentage of students achieving is 25-29% (which is lower than the Arizona state average of 40%).

The student-teacher ratio of 19:1 is higher than the Arizona state level of 17:1.

Quick Facts (2025-26)

Grades: Kindergarten-5
Enrollment: 379 students
Student-Teacher Ratio: 19:1
: Bottom 50% in AZ
: 25-29% (Top 50%)
: 25-29% (Btm 50%)
: 15-19% (Btm 50%)
Source: National Center for Education Statistics (NCES), AZ Dept. of Education

Top Rankings

Mary L Welty Elementary School ranks among the top 20% of public schools in Arizona for:

School Overview

Mary L Welty Elementary School's student population of 379 students has grown by 9% over five school years.

The teacher population of 20 teachers has stayed relatively flat over five school years.

Grades Offered

Grades Kindergarten-5
(No virtual instruction)

View Data

Distribution of Students By Grade Trends
Grade	Mary L Welty Elementary School
Kind	58
1	69
2	68
3	63
4	63
5	58

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Total Students

379 students

View Data

Total Students Trends Over Years (1987-2023)
Year	Mary L Welty Elementary School
2023	364
2022	343
2021	329
2020	345
2019	345
2018	365
2017	365
2016	362
2015	374
2014	360
2013	316
2012	313
2011	319
2010	335
2009	317
2008	293
2007	292
2006	286
2005	309
2004	340
2003	345
2002	390
2001	415
2000	437
1999	423
1998	426
1997	443
1996	461
1995	443
1994	447
1993	423
1992	461
1991	449
1990	424
1989	569
1988	526
1987	529

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Gender %

Total Classroom Teachers

20 teachers

View Data

Total Classroom Teachers Trends Over Years (1987-2023)
Year	Mary L Welty Elementary School
2023	19
2022	18
2021	19
2020	20
2019	20
2018	20
2017	20
2016	18
2015	21
2014	19
2013	17
2012	18
2011	19
2010	18
2009	17
2008	19
2007	17
2006	18
2005	18
2004	16
2003	22
2002	23
2001	23
2000	20
1999	21
1998	18
1997	22
1996	22
1995	22
1994	22
1993	20
1992	20
1991	20
1990	18
1989	23
1988	21
1987	21

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Year Founded

2025

School Rankings

Mary L Welty Elementary School ranks within the bottom 50% of all 1,921 schools in Arizona (based off of combined math and reading proficiency testing data).

The of Mary L Welty Elementary School is 0.00, which is less than the diversity score at state average of 0.66. The school's diversity has stayed relatively flat over five school years.

This School

State Level (AZ)

#1100 out of 1921 schools
(Bottom 50%)

View Data

Overall School Rank Trends Over Years (2012-2023)
Year	Mary L Welty Elementary School
2023	#1100
2022	#1076
2021	#1205
2019	#633
2018	#955
2017	#958
2016	#812
2015	#1351
2014	#1274
2013	#777
2012	#538

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25-29%

34%

View Data

Math Proficiency Comparison Over Years (2012-2023)
Year	Mary L Welty Elementary School	Arizona	Nogales Unified District (4457) School District
2023	27%	34%	27%
2022	32%	35%	29%
2021	17%	32%	12%
2019	52%	45%	40%
2018	47%	45%	40%
2017	37%	42%	36%
2016	37%	39%	31%
2015	27%	38%	32%
2014	52%	63%	68%
2013	67%	63%	66%
2012	72%	63%	69%

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25-29%

40%

View Data

Reading and Language Arts Proficiency Comparison Over Years (2011-2022)
Year	Mary L Welty Elementary School	Arizona	Nogales Unified District (4457) School District
2022	27%	40%	33%
2021	22%	39%	23%
2019	52%	45%	38%
2018	37%	44%	40%
2017	37%	42%	36%
2016	37%	40%	32%
2015	22%	38%	27%
2014	67%	79%	80%
2013	77%	78%	79%
2012	82%	77%	82%
2011	82%	77%	81%

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15-19%

24%

Student-Teacher Ratio

19:1

17:1

View Data

Student-Teacher Ratio Comparison Over Years (1987-2023)
Year	Mary L Welty Elementary School	Arizona	Nogales Unified District (4457) School District
2023	19:1	17:1	19:1
2022	19:1	17:1	19:1
2021	17:1	17:1	19:1
2020	17:1	18:1	24:1
2019	17:1	18:1	24:1
2018	18:1	19:1	19:1
2017	18:1	19:1	19:1
2016	20:1	20:1	20:1
2015	18:1	20:1	20:1
2014	19:1	19:1	21:1
2013	19:1	19:1	21:1
2012	17:1	18:1	21:1
2011	17:1	19:1	20:1
2010	19:1	18:1	21:1
2009	19:1	18:1	19:1
2008	16:1	18:1	20:1
2007	17:1	18:1	21:1
2006	16:1	18:1	20:1
2005	17:1	19:1	20:1
2004	21:1	19:1	20:1
2003	16:1	19:1	20:1
2002	17:1	19:1	20:1
2001	18:1	19:1	22:1
2000	22:1	19:1	23:1
1999	20:1	19:1	22:1
1998	24:1	19:1	25:1
1997	20:1	19:1	21:1
1996	21:1	19:1	21:1
1995	20:1	19:1	22:1
1994	20:1	19:1	23:1
1993	21:1	20:1	24:1
1992	23:1	20:1	23:1
1991	22:1	20:1	22:1
1990	24:1	20:1	22:1
1989	25:1	20:1	23:1
1988	25:1	20:1	21:1
1987	25:1	20:1	21:1

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American Indian

n/a

Asian

n/a

View Data

Asian Student Percentage Comparison Over Years (1989-2021)
Year	Mary L Welty Elementary School	Arizona	Nogales Unified District (4457) School District
2021	1%	3%	1%
2020	1%	3%	1%
2019	1%	3%	1%
2018	2%	3%
2017	2%	3%
2014	1%	3%
2013	1%	3%
2011	1%	3%
2010	1%	3%
1989	1%	1%

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Hispanic

100%

48%

View Data

Hispanic Student Percentage Comparison Over Years (1991-2023)
Year	Mary L Welty Elementary School	Arizona	Nogales Unified District (4457) School District
2023	100%	47%	99%
2022	100%	47%	99%
2021	99%	46%	99%
2020	99%	45%	99%
2019	99%	45%	99%
2018	98%	45%	100%
2017	98%	45%	100%
2016	100%	45%	100%
2015	99%	45%	64%
2014	98%	44%	99%
2013	98%	43%	99%
2012	97%	43%	99%
2011	98%	42%	99%
2010	97%	41%	99%
2009	99%	41%	99%
2008	98%	42%	99%
2007	98%	41%	99%
2006	99%	39%	99%
2005	99%	38%	99%
2004	99%	37%	98%
2003	99%	36%	98%
2002	99%	35%	98%
2001	99%	33%	98%
2000	99%	33%	98%
1999	98%	32%	97%
1998	98%	31%	97%
1997	98%	30%	97%
1996	98%	30%	97%
1995	98%	29%	97%
1994	98%	28%	96%
1993	98%	27%	96%
1992	100%	25%	95%
1991	98%	25%	94%

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Black

n/a

White

n/a

34%

View Data

White Student Percentage Comparison Over Years (1990-2015)
Year	Mary L Welty Elementary School	Arizona	Nogales Unified District (4457) School District
2015	1%	40%
2014	1%	41%	1%
2013	1%	42%	1%
2012	2%	42%	1%
2011	1%	42%	1%
2010	2%	44%	1%
2009	1%	44%	1%
2008	2%	44%	1%
2007	2%	45%	1%
2006	1%	47%	1%
2005	1%	48%	1%
2004	1%	48%	2%
2003	1%	49%	2%
2002	1%	50%	2%
2001	1%	52%	2%
2000	1%	53%	2%
1999	2%	54%	3%
1998	2%	56%	3%
1997	2%	57%	3%
1996	2%	57%	3%
1995	2%	58%	3%
1994	2%	59%	4%
1993	2%	60%	4%
1991	2%	65%	4%
1990	4%	66%	5%

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Hawaiian

n/a

Two or more races

n/a

All Ethnic Groups

0.00

0.66

View Data

Diversity Score Comparison Over Years (1988-2021)
Year	Mary L Welty Elementary School	Arizona	Nogales Unified District (4457) School District
2021	0.02	0.66	0.02
2020	0.02	0.65	0.02
2019	0.02	0.65	0.02
2018	0.04	0.65	0.00
2017	0.04	0.65	0.00
2015	0.02	0.64	0.24
2014	0.04	0.64	0.02
2013	0.05	0.64	0.03
2012	0.06	0.64	0.03
2011	0.04	0.65	0.02
2010	0.06	0.64	0.03
2009	0.02	0.64	0.02
2008	0.04	0.63	0.03
2007	0.04	0.63	0.03
2006	0.02	0.63	0.03
2005	0.02	0.62	0.03
2004	0.02	0.63	0.04
2003	0.04	0.63	0.03
2002	0.02	0.62	0.03
2001	0.02	0.62	0.04
2000	0.02	0.62	0.04
1999	0.04	0.60	0.06
1998	0.04	0.59	0.06
1997	0.04	0.58	0.06
1996	0.06	0.58	0.06
1995	0.04	0.58	0.06
1994	0.06	0.57	0.07
1993	0.04	0.56	0.08
1992	0.02	0.56	0.09
1989	0.11	0.51	0.12
1988	0.09	0.50	0.11

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Eligible for

87%

39%

View Data

Free Lunch Eligibility Comparison Over Years (2004-2023)
Year	Mary L Welty Elementary School	Arizona	Nogales Unified District (4457) School District
2023	87%	39%	67%
2022	87%	29%	67%
2020	87%	43%	69%
2019	87%	43%	69%
2016	2%	33%	1%
2013	86%	37%	69%
2012	80%	36%	63%
2011	85%	36%	72%
2010	82%	38%	63%
2009	76%	39%	66%
2008	74%	29%	63%
2007	80%	32%	65%
2006	82%	37%	79%
2005	65%	40%	58%
2004	79%	37%	66%

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Eligible for

96%

10%

View Data

Reduced-Price Lunch Eligibility Comparison Over Years (2004-2023)
Year	Mary L Welty Elementary School	Arizona	Nogales Unified District (4457) School District
2023	7%	7%	9%
2022	7%	2%	9%
2021	100%	9%	95%
2020	7%	7%	10%
2019	7%	7%	10%
2018	99%	9%	98%
2017	99%	9%	98%
2016	96%	11%	96%
2014	99%	14%	39%
2013	7%	10%	9%
2012	9%	11%	10%
2011	7%	10%	10%
2010	7%	8%	10%
2009	12%	10%	14%
2008	12%	9%	13%
2007	7%	9%	9%
2006	17%	8%	17%
2005	8%	8%	11%
2004	9%	8%	10%

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School Statewide Testing

School District Name

Nogales Unified District (4457) School District

Source: National Center for Education Statistics (NCES), AZ Dept. of Education

Profile last updated: 02/09/2025

Frequently Asked Questions

What is Mary L Welty Elementary School's ranking?

Mary L Welty Elementary School is ranked #1100 out of 1,921 schools, which ranks it among the bottom 50% of public schools in Arizona.

What percent of students have achieved state testing proficiency in math and reading?

25-29% of students have achieved math proficiency (compared to the 34% AZ state average), while 25-29% of students have achieved reading proficiency (compared to the 40% AZ state average).

How many students attend Mary L Welty Elementary School?

379 students attend Mary L Welty Elementary School.

What is the racial composition of the student body?

100% of Mary L Welty Elementary School students are Hispanic.

What is the student-teacher ratio of Mary L Welty Elementary School?

Mary L Welty Elementary School has a student ration of 19:1, which is higher than the Arizona state average of 17:1.

What grades does Mary L Welty Elementary School offer ?

Mary L Welty Elementary School offers enrollment in grades Kindergarten-5 (No virtual instruction).

What school district is Mary L Welty Elementary School part of?

Mary L Welty Elementary School is part of Nogales Unified District (4457) School District.

School Reviews

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Quick Facts (2025-26)

Grades: Kindergarten-5
Enrollment: 379 students
Student-Teacher Ratio: 19:1
: Bottom 50%
: 25-29% (Top 50%)
: 25-29% (Btm 50%)
: 15-19% (Btm 50%)
Source: National Center for Education Statistics (NCES), AZ Dept. of Education