Lake Oswego Senior High School (Ranked Top 20% for 2025-26)

Home > Oregon > Clackamas County > Lake Oswego > Forest Highlands

Lake Oswego Senior High School

2501 Sw Country Club Rd
Lake Oswego, OR 97034

( shown in map)

Top 20%

Lake Oswego High School is a public high school in Lake Oswego, Oregon, United States. It is part of the Lake Oswego School District.

Serving 1,275 students in grades 9-12, Lake Oswego Senior High School ranks in the top 20% of all schools in Oregon for overall test scores (math proficiency is top 20%, and reading proficiency is top 20%).

The percentage of students achieving is 48% (which is higher than the Oregon state average of 31%). The percentage of students achieving is 74% (which is higher 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 35% of the student body (majority Asian), which is lower than the Oregon state average of 42% (majority Hispanic).

Quick Facts (2025-26)

Grades: 9-12
Enrollment: 1,275 students
Student-Teacher Ratio: 19:1
Minority Enrollment: 35%
: 95% (Top 10% in OR)
: Top 20%
: 48% (Top 20%)
: 74% (Top 5%)
: 44% (Top 30%)
Source: National Center for Education Statistics (NCES), OR Dept. of Education

Top Rankings

Lake Oswego Senior High School ranks among the top 20% of public schools in Oregon for:

School Overview

Lake Oswego Senior High School's student population of 1,275 students has stayed relatively flat over five school years.

The teacher population of 68 teachers has grown by 15% over five school years.

Grades Offered

Grades 9-12
(No virtual instruction)

View Data

Distribution of Students By Grade Trends
Grade	Lake Oswego Senior High School
9	332
10	321
11	303
12	319

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Total Students

1,275 students

View Data

Total Students Trends Over Years (1987-2023)
Year	Lake Oswego Senior High School
2023	1,245
2022	1,252
2021	1,251
2020	1,277
2019	1,277
2018	1,311
2017	1,311
2016	1,341
2015	1,289
2014	1,314
2013	1,258
2012	1,227
2011	1,256
2010	1,223
2009	1,267
2008	1,260
2007	1,257
2006	1,266
2005	1,261
2004	1,223
2003	1,221
2002	1,198
2001	1,180
2000	1,188
1999	1,088
1998	1,152
1997	1,142
1996	1,114
1995	1,138
1994	1,106
1993	1,101
1992	1,053
1991	1,003
1990	949
1989	957
1988	1,006
1987	1,010

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Gender %

Total Classroom Teachers

68 teachers

View Data

Total Classroom Teachers Trends Over Years (1987-2023)
Year	Lake Oswego Senior High School
2023	65
2022	64
2021	68
2020	59
2019	59
2018	61
2017	61
2016	58
2015	55
2014	56
2013	58
2012	57
2011	56
2010	59
2009	62
2008	60
2007	59
2006	54
2005	54
2004	57
2003	54
2002	59
2001	60
2000	53
1999	52
1998	53
1997	51
1996	51
1995	50
1994	52
1993	57
1992	52
1991	61
1990	58
1989	58
1988	59
1987	58

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Year Founded

1950

Colors

White, Navy Blue

School Calendar

Last Day of School

Thu. Jun 11, 2026

School Rankings

Lake Oswego Senior High School ranks within the top 20% of all 1,174 schools in Oregon (based off of combined math and reading proficiency testing data).

The of Lake Oswego Senior High School is 0.55, 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)

#119 out of 1174 schools
(Top 20%)

View Data

Overall School Rank Trends Over Years (2012-2023)
Year	Lake Oswego Senior High School
2023	#119
2022	#80
2021	#119
2019	#62
2018	#76
2017	#85
2016	#206
2015	#157
2014	#7
2013	#6
2012	#5

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48%

31%

View Data

Math Proficiency Comparison Over Years (2012-2023)
Year	Lake Oswego Senior High School	Oregon	Lake Oswego School District 7j
2023	48%	31%	63%
2022	53%	31%	63%
2021	69%	32%	61%
2019	60%	40%	74%
2018	58%	41%	75%
2017	52%	42%	75%
2016	47%	43%	76%
2015	52%	42%	72%
2014	93%	63%	90%
2013	92%	63%	89%
2012	93%	64%	90%

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74%

44%

View Data

Reading and Language Arts Proficiency Comparison Over Years (2011-2022)
Year	Lake Oswego Senior High School	Oregon	Lake Oswego School District 7j
2022	74%	44%	73%
2021	50%	47%	72%
2019	82%	54%	84%
2018	82%	56%	75%
2017	92%	55%	84%
2016	77%	57%	84%
2015	77%	56%	84%
2014	96%	72%	92%
2013	97%	72%	92%
2012	97%	74%	92%
2011	95%	81%	94%

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44%

30%

View Data

Science Proficiency Comparison Over Years (2021-2022)
Year	Lake Oswego Senior High School	Oregon	Lake Oswego School District 7j
2022	44%	30%	50%
2021	95%	35%	59%

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Student-Teacher Ratio

19:1

17:1

View Data

Student-Teacher Ratio Comparison Over Years (1987-2023)
Year	Lake Oswego Senior High School	Oregon	Lake Oswego School District 7j
2023	19:1	17:1	18:1
2022	20:1	17:1	18:1
2021	18:1	17:1	18:1
2020	22:1	19:1	20:1
2019	22:1	19:1	20:1
2018	21:1	20:1	21:1
2017	21:1	19:1	21:1
2016	23:1	20:1	21:1
2015	23:1	21:1	24:1
2014	23:1	21:1	23:1
2013	22:1	21:1	21:1
2012	22:1	21:1	22:1
2011	23:1	20:1	22:1
2010	21:1	20:1	20:1
2009	20:1	19:1	20:1
2008	21:1	19:1	20:1
2007	21:1	19:1	20:1
2006	23:1	19:1	22:1
2005	23:1	21:1	22:1
2004	21:1	21:1	22:1
2003	23:1	21:1	21:1
2002	20:1	19:1	20:1
2001	20:1	20:1	20:1
2000	22:1	20:1	22:1
1999	21:1	21:1	23:1
1998	22:1	20:1	23:1
1997	22:1	20:1	22:1
1996	22:1	20:1	22:1
1995	23:1	20:1	22:1
1994	21:1	20:1	21:1
1993	19:1	19:1	21:1
1992	20:1	22:1	22:1
1991	17:1	19:1	18:1
1990	17:1	19:1	18:1
1989	17:1	18:1	19:1
1988	17:1	19:1	18:1
1987	17:1	19:1	18:1

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American Indian

View Data

American Indian Student Percentage Comparison Over Years (2006-2012)
Year	Lake Oswego Senior High School	Oregon	Lake Oswego School District 7j
2012	1%	2%	2%
2011	1%	2%	1%
2010	2%	3%	2%
2009	2%	3%	2%
2008	1%	3%	2%
2007	1%	3%	2%
2006	1%	3%	1%

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Asian

13%

View Data

Asian Student Percentage Comparison Over Years (1991-2023)
Year	Lake Oswego Senior High School	Oregon	Lake Oswego School District 7j
2023	13%	4%	11%
2022	12%	4%	11%
2021	13%	4%	11%
2020	12%	4%	11%
2019	12%	4%	11%
2018	13%	4%	11%
2017	13%	4%	11%
2016	12%	5%	10%
2015	12%	4%	10%
2014	12%	4%	9%
2013	11%	4%	9%
2012	11%	4%	8%
2011	9%	4%	7%
2010	10%	6%	9%
2009	11%	6%	9%
2008	10%	6%	9%
2007	8%	6%	8%
2006	9%	5%	8%
2005	10%	5%	9%
2004	10%	5%	7%
2003	11%	5%	7%
2002	10%	5%	7%
2001	7%	4%	6%
2000	8%	4%	6%
1999	8%	4%	6%
1998	7%	4%	7%
1997	8%	4%	6%
1996	8%	3%	6%
1995	6%	3%	5%
1994	6%	3%	5%
1993	5%	3%	5%
1992	5%	3%	5%
1991	5%	3%	4%

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Hispanic

26%

View Data

Hispanic Student Percentage Comparison Over Years (1991-2023)
Year	Lake Oswego Senior High School	Oregon	Lake Oswego School District 7j
2023	10%	25%	9%
2022	9%	25%	8%
2021	8%	25%	7%
2020	7%	24%	6%
2019	7%	24%	6%
2018	5%	23%	6%
2017	5%	23%	6%
2016	5%	22%	6%
2015	5%	22%	5%
2014	5%	22%	6%
2013	5%	22%	6%
2012	5%	21%	5%
2011	5%	21%	5%
2010	6%	21%	6%
2009	5%	18%	4%
2008	4%	18%	4%
2007	3%	17%	4%
2006	3%	16%	4%
2005	2%	15%	3%
2004	3%	14%	3%
2003	2%	13%	3%
2002	3%	11%	2%
2001	2%	11%	2%
2000	2%	9%	2%
1999	1%	9%	2%
1998	1%	8%	1%
1997	1%	7%	2%
1996	2%	7%	1%
1995	2%	6%	2%
1994	2%	6%	2%
1993	2%	5%	1%
1992	2%	5%	1%
1991	2%	4%	1%

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Black

View Data

Black Student Percentage Comparison Over Years (1990-2023)
Year	Lake Oswego Senior High School	Oregon	Lake Oswego School District 7j
2023	1%	3%	1%
2022	1%	2%	1%
2021	1%	2%	1%
2020	1%	2%	1%
2019	1%	2%	1%
2016	1%	2%	1%
2015	1%	2%	1%
2014	1%	2%	1%
2013	1%	2%	1%
2012	1%	2%	1%
2011	1%	3%	1%
2010	2%	3%	1%
2009	1%	4%	1%
2008	1%	4%	1%
2007	1%	4%	1%
2006	1%	3%	1%
2003	1%	3%	1%
2002	1%	3%	1%
2001	1%	3%	1%
2000	1%	3%	1%
1999	1%	3%	1%
1998	1%	3%	1%
1997	1%	2%	1%
1995	1%	3%	1%
1994	1%	2%	1%
1993	1%	2%	1%
1992	1%	2%	1%
1990	1%	2%	1%

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White

65%

58%

View Data

White Student Percentage Comparison Over Years (1991-2023)
Year	Lake Oswego Senior High School	Oregon	Lake Oswego School District 7j
2023	66%	59%	68%
2022	70%	60%	70%
2021	70%	60%	71%
2020	72%	62%	73%
2019	72%	62%	73%
2018	74%	63%	75%
2017	74%	63%	75%
2016	74%	63%	76%
2015	76%	64%	78%
2014	76%	64%	78%
2013	77%	65%	78%
2012	77%	65%	79%
2011	80%	66%	81%
2010	80%	67%	82%
2009	81%	69%	84%
2008	83%	69%	84%
2007	86%	70%	85%
2006	86%	73%	86%
2005	88%	73%	87%
2004	87%	75%	89%
2003	86%	76%	89%
2002	86%	78%	90%
2001	90%	80%	91%
2000	89%	82%	91%
1999	90%	82%	91%
1998	91%	83%	91%
1997	90%	85%	91%
1996	90%	85%	92%
1995	91%	86%	92%
1994	91%	87%	92%
1993	92%	88%	93%
1992	92%	88%	93%
1991	93%	89%	95%

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Hawaiian

n/a

Two or more races

11%

View Data

Two or More Races Student Percentage Comparison Over Years (2013-2023)
Year	Lake Oswego Senior High School	Oregon	Lake Oswego School District 7j
2023	10%	7%	11%
2022	8%	7%	10%
2021	8%	7%	10%
2020	8%	6%	9%
2019	8%	6%	9%
2018	8%	6%	8%
2017	8%	6%	8%
2016	8%	6%	7%
2015	6%	5%	6%
2014	6%	5%	6%
2013	5%	4%	6%

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All Ethnic Groups

0.55

0.60

View Data

Diversity Score Comparison Over Years (1991-2023)
Year	Lake Oswego Senior High School	Oregon	Lake Oswego School District 7j
2023	0.53	0.59	0.51
2022	0.49	0.58	0.49
2021	0.49	0.58	0.48
2020	0.46	0.56	0.44
2019	0.46	0.56	0.44
2018	0.43	0.55	0.42
2017	0.43	0.55	0.42
2016	0.43	0.55	0.40
2015	0.41	0.54	0.38
2014	0.41	0.54	0.39
2013	0.40	0.54	0.37
2012	0.39	0.53	0.37
2011	0.35	0.53	0.34
2010	0.35	0.51	0.31
2009	0.33	0.51	0.28
2008	0.30	0.49	0.28
2007	0.26	0.48	0.26
2006	0.25	0.44	0.25
2005	0.22	0.45	0.23
2004	0.24	0.42	0.21
2003	0.25	0.41	0.21
2002	0.25	0.38	0.19
2001	0.18	0.34	0.15
2000	0.20	0.32	0.16
1999	0.19	0.31	0.17
1998	0.17	0.30	0.16
1997	0.18	0.27	0.16
1996	0.19	0.27	0.16
1995	0.17	0.26	0.16
1994	0.16	0.24	0.15
1993	0.14	0.22	0.14
1992	0.15	0.22	0.14
1991	0.13	0.21	0.11

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95%

81%

View Data

Graduation Rate Comparison Over Years (2013-2023)
Year	Lake Oswego Senior High School	Oregon	Lake Oswego School District 7j
2023	95%	81%	97%
2022	94%	81%	95%
2021	98%	81%	97%
2020	97%	84%	96%
2019	94%	81%	95%
2018	92%	80%	93%
2017	90%	78%	92%
2016	91%	77%	92%
2015	92%	76%	91%
2014	93%	74%	90%
2013	90%	72%	87%

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Eligible for

11%

51%

View Data

Free Lunch Eligibility Comparison Over Years (1993-2023)
Year	Lake Oswego Senior High School	Oregon	Lake Oswego School District 7j
2023	7%	49%	6%
2022	6%	43%	8%
2021	6%	44%	7%
2020	6%	40%	7%
2019	6%	40%	7%
2018	5%	42%	7%
2017	5%	42%	7%
2016	6%	43%	8%
2015	6%	44%	8%
2014	6%	44%	9%
2013	6%	45%	10%
2012	7%	45%	10%
2011	6%	44%	9%
2010	4%	41%	7%
2009	4%	37%	5%
2008	4%	34%	5%
2007	3%	34%	4%
2006	3%	35%	4%
2005	2%	33%	4%
2004	3%	32%	4%
2003	1%	30%	3%
2002	1%	28%	3%
2001	2%	26%	2%
2000	2%	26%	2%
1999	1%	25%	2%
1998	2%	25%	2%
1997	3%	24%	2%
1996	2%	20%	2%
1995	1%	24%	2%
1994	3%	23%	2%
1993	1%	22%	2%

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Eligible for

View Data

Reduced-Price Lunch Eligibility Comparison Over Years (1999-2023)
Year	Lake Oswego Senior High School	Oregon	Lake Oswego School District 7j
2023	1%	2%	1%
2022	2%	8%	2%
2021	2%	7%	2%
2020	1%	7%	2%
2019	1%	7%	2%
2018	1%	7%	1%
2017	1%	7%	1%
2016	1%	7%	1%
2015	1%	7%	2%
2014	2%	7%	2%
2013	2%	7%	2%
2012	2%	7%	2%
2011	2%	7%	2%
2010	2%	8%	2%
2009	1%	9%	2%
2008	1%	9%	2%
2007	1%	8%	2%
2006	1%	9%	2%
2005	2%	8%	2%
2004	1%	9%	2%
2003	1%	8%	2%
2002	1%	8%	2%
2001	1%	9%	1%
2000	1%	8%	2%
1999	2%	8%	2%

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School Statewide Testing

School District Name

Lake Oswego School District 7j

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

School Notes

School Mascot: Pilot Joe

Profile last updated: 02/09/2025

Frequently Asked Questions

What is Lake Oswego Senior High School's ranking?

Lake Oswego Senior High School is ranked #119 out of 1,174 schools, which ranks it among the top 20% of public schools in Oregon.

What schools are Lake Oswego Senior High School often compared to?

Lake Oswego Senior High Schoolis often viewed alongside schools like Lakeridge High School by visitors of our site.

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

48% of students have achieved math proficiency (compared to the 31% OR state average), while 74% of students have achieved reading proficiency (compared to the 44% OR state average).

What is the graduation rate of Lake Oswego Senior High School?

The graduation rate of Lake Oswego Senior High School is 95%, which is higher than the Oregon state average of 81%.

How many students attend Lake Oswego Senior High School?

1,275 students attend Lake Oswego Senior High School.

What is the racial composition of the student body?

65% of Lake Oswego Senior High School students are White, 13% of students are Asian, 11% of students are Two or more races, 9% of students are Hispanic, 1% of students are American Indian, and 1% of students are Black.

What is the student-teacher ratio of Lake Oswego Senior High School?

Lake Oswego Senior High School has a student ration of 19:1, which is higher than the Oregon state average of 17:1.

What grades does Lake Oswego Senior High School offer ?

Lake Oswego Senior High School offers enrollment in grades 9-12 (No virtual instruction).

What school district is Lake Oswego Senior High School part of?

Lake Oswego Senior High School is part of Lake Oswego School District 7j.

In what neighborhood is Lake Oswego Senior High School located?

Lake Oswego Senior High School is located in the Forest Highlands neighborhood of Lake Oswego, OR.

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Quick Facts (2025-26)

Grades: 9-12
Enrollment: 1,275 students
Student-Teacher Ratio: 19:1
Minority Enrollment: 35%
: 95% (Top 10%)
: Top 20%
: 48% (Top 20%)
: 74% (Top 5%)
: 44% (Top 30%)
Source: National Center for Education Statistics (NCES), OR Dept. of Education