River Mill Elementary School (Ranked Bottom 50% for 2025)

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River Mill Elementary School

850 N Broadway St
Estacada, OR 97023

Bottom 50%

Serving 505 students in grades Kindergarten-5, River Mill Elementary School ranks in the bottom 50% of all schools in Oregon for overall test scores (math proficiency is bottom 50%, and reading proficiency is bottom 50%).

The percentage of students achieving is 26% (which is lower than the Oregon state average of 31%). The percentage of students achieving is 39% (which is lower than the Oregon state average of 44%).

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

Minority enrollment is 26% of the student body (majority Hispanic), which is lower than the Oregon state average of 42% (majority Hispanic).

Quick Stats (2025)

Grades: Kindergarten-5
Enrollment: 505 students
Student:Teacher Ratio: 19:1
Minority Enrollment: 26%
: Bottom 50% in OR
: 26% (Btm 50%)
: 39% (Btm 50%)
: 25-29% (Btm 50%)
Source: National Center for Education Statistics (NCES), OR Dept. of Education

School Overview

River Mill Elementary School's student population of 505 students has grown by 25% over five school years.

The teacher population of 27 teachers has grown by 22% over five school years.

Grades Offered

Grades Kindergarten-5
(Supplemental Virtual)

View Data

Distribution of Students By Grade Trends
Grade	River Mill Elementary School
Kind	71
1	88
2	90
3	74
4	86
5	96

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Total Students

505 students

View Data

Total Students Trends Over Years (1991-2023)
Year	River Mill Elementary School
2023	492
2022	415
2021	434
2020	401
2019	401
2018	338
2017	338
2016	307
2015	279
2012	279
2011	293
2010	307
2009	365
2008	361
2007	330
2006	312
2005	337
2004	320
2003	400
2002	451
2001	409
2000	446
1999	448
1998	461
1997	447
1996	442
1995	410
1994	483
1993	450
1992	386
1991	358

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Gender %

Total Classroom Teachers

27 teachers

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Total Classroom Teachers Trends Over Years (1991-2023)
Year	River Mill Elementary School
2023	22
2022	22
2021	23
2020	22
2019	22
2018	17
2017	17
2016	17
2015	15
2012	15
2011	16
2010	18
2009	21
2008	20
2007	20
2006	18
2005	19
2004	18
2003	17
2002	21
2001	19
2000	20
1999	20
1998	20
1997	22
1996	22
1995	19
1994	21
1993	20
1992	15
1991	18

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School Rankings

River Mill Elementary School ranks within the bottom 50% of all 1,196 schools in Oregon (based off of combined math and reading proficiency testing data).

The of River Mill Elementary School is 0.42, which is less than the diversity score at state average of 0.60. The school's diversity has stayed relatively flat over five school years.

This School

State Level (OR)

#731 out of 1196 schools
(Bottom 50%)

View Data

Overall School Rank Trends Over Years (2010-2022)
Year	River Mill Elementary School
2022	#731
2021	#639
2019	#638
2018	#808
2017	#974
2016	#1008
2012	#882
2011	#846
2010	#395

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26%

31%

View Data

Math Proficiency Comparison Over Years (2010-2022)
Year	River Mill Elementary School	Oregon	Estacada SD 108 School District
2022	26%	31%	24%
2021	15%	32%	20%
2019	42%	40%	32%
2018	37%	41%	29%
2017	27%	42%	31%
2016	27%	43%	25%
2012	52%	64%	48%
2011	47%	63%	53%
2010	82%	71%	68%

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39%

44%

View Data

Reading and Language Arts Proficiency Comparison Over Years (2010-2022)
Year	River Mill Elementary School	Oregon	Estacada SD 108 School District
2022	39%	44%	41%
2021	34%	47%	39%
2019	47%	54%	51%
2018	42%	56%	29%
2017	37%	55%	48%
2016	37%	57%	46%
2012	67%	74%	69%
2011	82%	81%	78%
2010	82%	78%	76%

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25-29%

30%

View Data

Science Proficiency Comparison Over Years (2021-2022)
Year	River Mill Elementary School	Oregon	Estacada SD 108 School District
2022	27%	30%	33%
2021	24%	35%	26%

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Student : Teacher Ratio

19:1

17:1

View Data

Student-Teacher Ratio Comparison Over Years (1991-2023)
Year	River Mill Elementary School	Oregon	Estacada SD 108 School District
2023	22:1	17:1	28:1
2022	19:1	17:1	27:1
2021	19:1	17:1	28:1
2020	18:1	19:1	28:1
2019	18:1	19:1	28:1
2018	20:1	20:1	28:1
2017	20:1	19:1	28:1
2016	18:1	20:1	27:1
2015	19:1	21:1	29:1
2012	19:1	21:1	24:1
2011	18:1	20:1	22:1
2010	17:1	20:1	26:1
2009	18:1	19:1	21:1
2008	18:1	19:1	20:1
2007	17:1	19:1	18:1
2006	17:1	19:1	19:1
2005	18:1	21:1	20:1
2004	18:1	21:1	18:1
2003	24:1	21:1	24:1
2002	21:1	19:1	21:1
2001	22:1	20:1	20:1
2000	22:1	20:1	20:1
1999	22:1	21:1	20:1
1998	23:1	20:1	20:1
1997	20:1	20:1	19:1
1996	20:1	20:1	19:1
1995	22:1	20:1	20:1
1994	23:1	20:1	19:1
1993	23:1	19:1	18:1
1992	27:1	22:1	21:1
1991	20:1	19:1	19:1

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American Indian

View Data

American Indian Student Percentage Comparison Over Years (1989-2023)
Year	River Mill Elementary School	Oregon	Estacada SD 108 School District
2023	1%	1%	1%
2021	1%	1%
2020	1%	1%
2019	1%	1%
2011	1%	2%
2010	4%	3%	2%
2009	1%	3%	3%
2008	3%	3%	3%
2007	4%	3%	4%
2006	1%	3%	1%
2005	3%	3%	3%
2000	1%	2%	1%
1998	1%	2%	2%
1994	3%	2%	2%
1991	2%	2%	1%
1990	1%	2%
1989	1%	2%	1%

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Asian

n/a

View Data

Asian Student Percentage Comparison Over Years (1992-2022)
Year	River Mill Elementary School	Oregon	Estacada SD 108 School District
2022	1%	4%	3%
2020	1%	4%	2%
2019	1%	4%	2%
2018	2%	4%	2%
2017	2%	4%	2%
2016	3%	5%	1%
2009	1%	6%	2%
2008	2%	6%	4%
2007	3%	6%	4%
2006	1%	5%	2%
2005	2%	5%	4%
2003	1%	5%	2%
2002	2%	5%	2%
2000	1%	4%
1999	1%	4%	1%
1997	1%	4%	1%
1996	2%	3%	1%
1995	2%	3%	1%
1994	1%	3%	1%
1993	1%	3%	1%
1992	1%	3%	1%

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Hispanic

17%

26%

View Data

Hispanic Student Percentage Comparison Over Years (1991-2023)
Year	River Mill Elementary School	Oregon	Estacada SD 108 School District
2023	18%	25%	15%
2022	18%	25%	15%
2021	20%	25%	13%
2020	19%	24%	15%
2019	19%	24%	15%
2018	22%	23%	17%
2017	22%	23%	17%
2016	19%	22%	17%
2015	12%	22%	17%
2012	12%	21%	16%
2011	12%	21%	15%
2010	10%	21%	13%
2009	8%	18%	11%
2008	11%	18%	11%
2007	10%	17%	11%
2006	9%	16%	9%
2005	9%	15%	10%
2004	9%	14%	9%
2003	7%	13%	6%
2002	7%	11%	6%
2001	8%	11%	5%
2000	8%	9%	6%
1999	8%	9%	6%
1998	5%	8%	5%
1997	6%	7%	5%
1996	6%	7%	5%
1995	4%	6%	4%
1994	4%	6%	4%
1993	2%	5%	3%
1992	3%	5%	3%
1991	2%	4%	3%

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Black

View Data

Black Student Percentage Comparison Over Years (1991-2021)
Year	River Mill Elementary School	Oregon	Estacada SD 108 School District
2021	1%	2%	2%
2012	1%	2%	1%
2010	1%	3%	2%
2009	1%	4%	2%
2008	2%	4%	2%
2007	3%	4%	5%
2006	1%	3%	1%
2005	2%	4%	2%
2004	3%	3%	3%
2003	1%	3%
2002	1%	3%	1%
2000	1%	3%	1%
1999	2%	3%	1%
1998	1%	3%	1%
1997	2%	2%	1%
1996	2%	3%	1%
1995	2%	3%	1%
1994	1%	2%	1%
1993	2%	2%	1%
1992	1%	2%
1991	1%	2%	1%

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White

74%

58%

View Data

White Student Percentage Comparison Over Years (1991-2023)
Year	River Mill Elementary School	Oregon	Estacada SD 108 School District
2023	73%	59%	75%
2022	73%	60%	75%
2021	71%	60%	77%
2020	71%	62%	77%
2019	71%	62%	77%
2018	70%	63%	76%
2017	70%	63%	76%
2016	72%	63%	77%
2015	83%	64%	77%
2012	82%	65%	77%
2011	83%	66%	79%
2010	85%	67%	81%
2009	88%	69%	82%
2008	82%	69%	80%
2007	77%	70%	74%
2006	88%	73%	87%
2005	84%	73%	81%
2004	83%	75%	82%
2003	91%	76%	92%
2002	90%	78%	90%
2001	92%	80%	93%
2000	88%	82%	92%
1999	89%	82%	92%
1998	93%	83%	92%
1997	91%	85%	92%
1996	90%	85%	91%
1995	92%	86%	92%
1994	91%	87%	92%
1993	95%	88%	95%
1992	95%	88%	94%
1991	95%	89%	94%

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Hawaiian

n/a

Two or more races

View Data

Two or More Races Student Percentage Comparison Over Years (2011-2023)
Year	River Mill Elementary School	Oregon	Estacada SD 108 School District
2023	8%	7%	6%
2022	8%	7%	6%
2021	7%	7%	5%
2020	8%	6%	5%
2019	8%	6%	5%
2018	6%	6%	4%
2017	6%	6%	4%
2016	6%	6%	4%
2015	5%	5%	5%
2012	5%	5%	5%
2011	4%	3%	4%

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All Ethnic Groups

0.42

0.60

View Data

Diversity Score Comparison Over Years (1991-2023)
Year	River Mill Elementary School	Oregon	Estacada SD 108 School District
2023	0.43	0.59	0.42
2022	0.43	0.58	0.41
2021	0.46	0.58	0.39
2020	0.46	0.56	0.38
2019	0.46	0.56	0.38
2018	0.46	0.55	0.39
2017	0.46	0.55	0.39
2016	0.45	0.55	0.38
2015	0.30	0.54	0.38
2012	0.31	0.53	0.38
2011	0.30	0.53	0.36
2010	0.27	0.51	0.34
2009	0.22	0.51	0.31
2008	0.33	0.49	0.33
2007	0.42	0.48	0.36
2006	0.22	0.44	0.23
2005	0.30	0.45	0.31
2004	0.33	0.42	0.25
2003	0.16	0.41	0.15
2002	0.19	0.38	0.16
2001	0.15	0.34	0.13
2000	0.22	0.32	0.16
1999	0.20	0.31	0.15
1998	0.13	0.30	0.15
1997	0.17	0.27	0.14
1996	0.19	0.27	0.15
1995	0.15	0.26	0.15
1994	0.17	0.24	0.14
1993	0.10	0.22	0.10
1992	0.10	0.22	0.11
1991	0.10	0.21	0.11

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Eligible for

49%

51%

View Data

Free Lunch Eligibility Comparison Over Years (1991-2023)
Year	River Mill Elementary School	Oregon	Estacada SD 108 School District
2023	41%	49%	26%
2022	41%	43%	27%
2021	39%	44%	26%
2020	40%	40%	25%
2019	40%	40%	25%
2018	50%	42%	29%
2017	50%	42%	29%
2016	85%	43%	33%
2015	54%	44%	29%
2012	54%	45%	35%
2011	52%	44%	34%
2010	45%	41%	29%
2009	40%	37%	30%
2008	34%	34%	31%
2007	35%	34%	30%
2006	41%	35%	40%
2005	37%	33%	35%
2004	61%	32%	47%
2003	33%	30%	30%
2002	31%	28%	25%
2001	29%	26%	23%
2000	29%	26%	22%
1999	27%	25%	20%
1998	25%	25%	20%
1997	24%	24%	18%
1996	26%	20%	18%
1995	23%	24%	14%
1994	28%	23%	18%
1993	20%	22%	15%
1992	20%	21%	17%
1991	16%	18%	12%

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Eligible for

View Data

Reduced-Price Lunch Eligibility Comparison Over Years (2000-2023)
Year	River Mill Elementary School	Oregon	Estacada SD 108 School District
2023	7%	2%	3%
2022	9%	8%	5%
2021	9%	7%	5%
2020	12%	7%	6%
2019	12%	7%	6%
2018	10%	7%	5%
2017	10%	7%	5%
2015	7%	7%	4%
2012	8%	7%	7%
2011	9%	7%	7%
2010	7%	8%	7%
2009	7%	9%	9%
2008	13%	9%	9%
2007	15%	8%	11%
2006	10%	9%	11%
2005	15%	8%	13%
2004	27%	9%	14%
2003	15%	8%	12%
2002	16%	8%	11%
2001	17%	9%	11%
2000	14%	8%	10%

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School Statewide Testing

School District Name

Estacada SD 108 School District

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

Profile last updated: 02/09/2025

Frequently Asked Questions

What is River Mill Elementary School's ranking?

River Mill Elementary School is ranked #731 out of 1,196 schools, which ranks it among the bottom 50% of public schools in Oregon.

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

26% of students have achieved math proficiency (compared to the 31% OR state average), while 39% of students have achieved reading proficiency (compared to the 44% OR state average).

How many students attend River Mill Elementary School?

505 students attend River Mill Elementary School.

What is the racial composition of the student body?

74% of River Mill Elementary School students are White, 17% of students are Hispanic, 7% of students are Two or more races, 1% of students are American Indian, and 1% of students are Black.

What is the student:teacher ratio of River Mill Elementary School?

River Mill Elementary School has a student ration of 19:1, which is higher than the Oregon state average of 17:1.

What grades does River Mill Elementary School offer ?

River Mill Elementary School offers enrollment in grades Kindergarten-5 (Supplemental Virtual).

What school district is River Mill Elementary School part of?

River Mill Elementary School is part of Estacada SD 108 School District.

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Quick Stats (2025)

Grades: Kindergarten-5
Enrollment: 505 students
Student:Teacher Ratio: 19:1
Minority Enrollment: 26%
: Bottom 50%
: 26% (Btm 50%)
: 39% (Btm 50%)
: 25-29% (Btm 50%)
Source: National Center for Education Statistics (NCES), OR Dept. of Education