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Cottage Lake Elementary

Q: Is Cottage Lake Elementary a good school?

Cottage Lake Elementary ranks 142 nd of 1138 Washington elementary schools. SchoolDigger rates this school 4 stars out of 5.

Public Grades PK, KG-5

142^nd

SchoolDigger Rank ?

of 1,138 Washington Elementary Schools

Better than 88% of Washington elementary schools

Summary

Cottage Lake Elementary is a 258-student public school serving prekindergarten through fifth grade in Woodinville, Washington, within the high-performing Northshore School District. The school ranks 142nd of 1,138 Washington elementary schools for 2025–2026, placing it in the 88th percentile, and has earned four stars. It is a strong school statewide, although families should note that several nearby schools are among Washington’s highest-performing schools, making Cottage Lake look more middle-of-the-pack locally than it does statewide.

Mathematics is Cottage Lake’s clearest current strength. In 2025–2026, 77.97% of students met standards in math, compared with 65.84% districtwide and 43.11% statewide. That was an especially notable rebound from 59.84% the previous year. Cottage Lake also exceeded nearby Wellington Elementary, Albert Einstein Elementary, and John Muir Elementary in math, and came close to Norman Rockwell Elementary. English language arts proficiency was also well above the state at 74.58%, though it trailed top local performers such as Sunrise Elementary, East Ridge Elementary, and Horace Mann Elementary.

Grade-level results suggest that math is more consistent than ELA: third- and fifth-grade math were above district averages, while fourth-grade ELA was 61.54%, below the district’s 72%. The third- and fifth-grade ELA results are suppressed, so it is not possible to tell whether this concern extends beyond fourth grade. Cottage Lake’s latest science result is also suppressed; earlier science scores were strong, but the current trend cannot be determined. One notable strength is effectiveness for students receiving special education services, ranked in the 97th–98th percentile statewide. Cottage Lake also reported the highest per-student spending among the comparison schools, at $22,392, though spending alone does not predict test performance. Overall, it is a solid, improving school with particularly encouraging math momentum and strong special education effectiveness, but it generally trails nearby high achievers such as Hollywood Hill Elementary, Clara Barton Elementary School, and Laura Ingalls Wilder Elementary.

258

Students ?

16.1

Student/teacher ratio ?

$22,392

Per pupil spending ?

14.3%

Free/reduced lunch eligible (2024-25) ?

15940 Avondale RD NE
Woodinville, WA 98077-9167

(425) 408-4200

District: Northshore School District

Students who attend Cottage Lake Elementary usually attend:

Middle:	Timbercrest Middle School
High:	Woodinville High School

Racial breakdown:

White:

74.4%

Hispanic:

8.5%

Asian:

8.1%

See top rated Washington elementary schools

Compare Cottage Lake Elementary to nearby elementary schools!

At a glance

▬ Ranking trend: Holding steady — 92nd percentile in 2013 → 88th in 2026

Strengths

✓Test scores above the Washington average (76% vs 48% meeting standards)

✓Ranks in the top 12% of Washington elementary schools

Students meeting standards (2025-2026) ?

This school76%

District avg70%

Washington avg48%

142^nd of 1,138

Washington public elementary schools ?

Top 12%▲ up 9 pts since 2016

From top 21% (2016) to top 12% (2026)

See the entire ranking list of Washington Elementary Schools →

★★★★★

SchoolDigger rating ?

10^th of 19Elementary Schools in the Northshore School District

12^th of 238Northshore School District among Washington 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	Washington percentile	Rating
2026	87.8	142 of 1138	87.5%	★★★★☆
2025	76.4	249 of 1160	78.5%	★★★★☆
2024	86.3	151 of 1168	87.1%	★★★★☆
2023	87.6	136 of 1169	88.4%	★★★★☆
2022	88.6	122 of 1169	89.6%	★★★★☆
2021	80.5	202 of 1107	81.8%	★★★★☆
2019	85.9	133 of 1130	88.2%	★★★★☆
2016	77.7	221 of 1053	79.0%	★★★★☆
2015	79.1	198 of 1067	81.4%	★★★★☆
2013	86.3	93 of 1106	91.6%	★★★★★
2012	77.4	199 of 1097	81.9%	★★★★☆
2011	73.2	244 of 1092	77.7%	★★★★☆
2010	78.8	172 of 1088	84.2%	★★★★☆
2009	80.1	151 of 1072	85.9%	★★★★☆
2008	80.8	142 of 1067	86.7%	★★★★☆
2007	72.0	250 of 1069	76.6%	★★★★☆
2006	78.5	158 of 1051	85.0%	★★★★☆
2005	69.5	287 of 1031	72.2%	★★★★☆
2004	79.6	162 of 1026	84.2%	★★★★☆

Female

Year	Avg score	Statewide rank	Washington percentile	Rating
2025	70.2	280 of 1092	74.4%	★★★★☆
2024	82.8	170 of 1093	84.4%	★★★★☆
2023	87.6	114 of 1094	89.6%	★★★★☆
2022	90.1	92 of 1100	91.6%	★★★★★
2021	89.8	91 of 1008	91.0%	★★★★★
2019	86.5	113 of 1068	89.4%	★★★★☆
2018	92.8	41 of 1004	95.9%	★★★★★

Hispanic

Year	Avg score	Statewide rank	Washington percentile	Rating
2022	82.4	70 of 694	89.9%	★★★★★

Male

Year	Avg score	Statewide rank	Washington percentile	Rating
2025	72.0	270 of 1098	75.4%	★★★★☆
2024	82.6	176 of 1099	84.0%	★★★★☆
2023	82.7	171 of 1099	84.4%	★★★★☆
2022	84.9	151 of 1113	86.4%	★★★★☆
2021	71.9	267 of 1025	74.0%	★★★★☆
2019	82.9	164 of 1075	84.7%	★★★★☆
2018	92.9	38 of 999	96.2%	★★★★★

Special Education

Year	Avg score	Statewide rank	Washington percentile	Rating
2025	94.1	9 of 363	97.5%	★★★★★
2023	94.7	8 of 308	97.4%	★★★★★

White

Year	Avg score	Statewide rank	Washington percentile	Rating
2025	70.6	281 of 1007	72.1%	★★★★☆
2024	78.9	192 of 1009	81.0%	★★★★☆
2023	80.2	179 of 1011	82.3%	★★★★☆
2022	86.1	106 of 1031	89.7%	★★★★☆
2021	80.2	156 of 943	83.5%	★★★★☆
2019	78.5	196 of 1027	80.9%	★★★★☆
2018	88.9	44 of 833	94.7%	★★★★★

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)

Special Education (2025)98th percentile+19 vs school

Hispanic (2022)90th percentile~ school

Male (2025)75th percentile-3 vs school

Female (2025)74th percentile-4 vs school

White (2025)72nd percentile-6 vs school

By subject vs Washington (2025-2026) ?

Math78%+35 vs state

English Language Arts75%+22 vs state

5.0

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What people are saying

by a parent
Saturday, May 29, 2021

Our kids loved CLE! The teachers are very hands-on and have stellar communication with the parents. The campus is lovely, lots of trees and open space for the kids to play. Lots of PTA involvement, great afterschool clubs and programs, and tons of fun events like ice cream socials, talent shows, spring musicals, Monster Mash Halloween party, etc. Close Quote

Schools Near Cottage Lake Elementary

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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 Immunizations Finance All

School													Students/Teachers											Ranking (2026)				Ranking (2025)				WCAS Science (2026)		SBAC English Language Arts (2026)				SBAC Math (2026)				% Completely Immunized (2024)	% Polio (2024)	% Measles (2024)	% Mumps (2024)	% Rubella (2024)	% Diphtheria (2024)	% Hepatitis B (2024)	% Varicella (2024)	% Pertussis (2024)	% Tetanus (2024)	Per Pupil Expenditures (2024)
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	Free/reduced lunch (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	WCAS Science 5th Grade	WCAS Science All Grades	SBAC English Language Arts 3rd Grade	SBAC English Language Arts 4th Grade	SBAC English Language Arts 5th Grade	SBAC English Language Arts All Grades	SBAC Math 3rd Grade	SBAC Math 4th Grade	SBAC Math 5th Grade	SBAC Math All Grades	% Completely Immunized KG	% Polio KG	% Measles KG	% Mumps KG	% Rubella KG	% Diphtheria KG	% Hepatitis B KG	% Varicella KG	% Pertussis KG	% Tetanus KG	Per Pupil Expenditures Total	Sub-total from Federal Funds	Sub-total from State/Local Funds
Cottage Lake Elementary	Public	PK, KG-5	15940 Avondale RD NE	Woodinville	98077	King County	Northshore School District	No	No	No	No	(425) 408-4200	258	16	16.1	14.3%	192 (74.4%)	1 (0.4%)	22 (8.5%)	21 (8.1%)	1 (0.4%)	1 (0.4%)	20 (7.8%)	87.8	142^nd of 1138 public elementary schools	87.5%		76.4	249^th of 1160 public elementary schools	78.5%	107				61.5		74.6	78.8		76.1	78.0	93.3	100.0	100.0	100.0	100.0	100.0	97.8	93.3	100.0	100.0	$22,392	$217	$22,175
East Ridge Elementary	Public	PK, KG-5	22150 NE 156 Pl	Woodinville	98077	King County	Northshore School District	No	No	No	No	(425) 408-4400	427	23	18.8	7.5%	305 (71.4%)	2 (0.5%)	36 (8.4%)	32 (7.5%)	0 (0.0%)	0 (0.0%)	52 (12.2%)	97.2	25^th of 1138 public elementary schools	97.8%		94	59^th of 1160 public elementary schools	94.9%	34			79.7	81.9	91.6	84.7	77.0	87.5	84.3	83.0	98.2	100.0	98.2	98.2	98.2	100.0	98.2	98.2	100.0	100.0	$18,091	$217	$17,874
Sunrise Elementary	Public	PK, KG-5	14075 172 Av NE	Redmond	98052	King County	Northshore School District	No	No	No	No	(425) 408-5300	322	17	18.7	6.2%	130 (40.4%)	0 (0.0%)	15 (4.7%)	128 (39.8%)	0 (0.0%)	1 (0.3%)	48 (14.9%)								(n/a)						88.2				91.7	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	$17,775	$217	$17,558
Laura Ingalls Wilder Elementary	Public	PK, KG-5	22130 NE 133rd	Woodinville	98077	King County	Lake Washington School District	No	No	No	No	(425) 936-2740	315	19	16.3	4.1%	164 (52.1%)	2 (0.6%)	32 (10.2%)	90 (28.6%)	0 (0.0%)	1 (0.3%)	25 (7.9%)	97.9	16^th of 1138 public elementary schools	98.6%		93.7	62^nd of 1160 public elementary schools	94.7%	46			72.4	82.5		84.6		79.5	81.5	78.7	97.3	100.0	97.3	97.3	97.3	100.0	100.0	97.3	100.0	100.0	$19,505	$163	$19,342
Wellington Elementary	Public	K-5	16501 NE 195 St	Woodinville	98072	King County	Northshore School District	No	No	No	No	(425) 408-5900	380	23	16.8	12.9%	233 (61.3%)	10 (2.6%)	37 (9.7%)	55 (14.5%)	0 (0.0%)	1 (0.3%)	44 (11.6%)	90.6	106^th of 1138 public elementary schools	90.7%		89.8	113^th of 1160 public elementary schools	90.3%	7	72.7	72.7	79.0	72.1	76.4	75.7	74.6	66.7	66.7	69.4	97.8	97.8	97.8	97.8	97.8	97.8	97.8	97.8	97.8	97.8	$19,295	$217	$19,078
Hollywood Hill Elementary	Public	PK, KG-5	17110 148 Av NE	Woodinville	98072	King County	Northshore School District	No	No	No	Yes	(425) 408-4700	331	23	14.1	19.0%	171 (51.7%)	11 (3.3%)	50 (15.1%)	66 (19.9%)	0 (0.0%)	0 (0.0%)	32 (9.7%)	95.6	48^th of 1138 public elementary schools	95.8%		92.1	87^th of 1160 public elementary schools	92.5%	39	84.1	84.1	78.2	78.2	74.6	77.0	85.2	82.1	76.2	81.0	91.3	93.5	95.7	95.7	95.7	95.7	97.8	95.7	95.7	95.7	$20,923	$220	$20,702
Clara Barton Elementary School	Public	K-5	12011 172nd Ave NE	Redmond	98052	King County	Lake Washington School District	No	No	No	No	(425) 936-2480	452	28	16.1	16.6%	91 (20.1%)	14 (3.1%)	64 (14.2%)	242 (53.5%)	2 (0.4%)	3 (0.7%)	36 (8.0%)	95.1	57^th of 1138 public elementary schools	95.0%		94.4	56^th of 1160 public elementary schools	95.2%	1	80.0	80.0	81.8	77.3	80.3	79.8	75.8	77.6	78.7	77.4	85.9	90.1	90.1	90.1	90.1	87.3	93.0	90.1	87.3	87.3	$18,558	$163	$18,394
Albert Einstein Elementary	Public	K-5	18025 NE 116th	Redmond	98052	King County	Lake Washington School District	No	No	No	No	(425) 936-2540	448	30	15.1	20.8%	118 (26.3%)	19 (4.2%)	111 (24.8%)	174 (38.8%)	1 (0.2%)	2 (0.4%)	21 (4.7%)	86.1	165^th of 1138 public elementary schools	85.5%		85.5	162^nd of 1160 public elementary schools	86.0%	3	72.3	72.3	71.6	64.7	80.0	72.0	80.3	56.5	57.6	65.7	98.7	100.0	100.0	100.0	100.0	100.0	100.0	98.7	100.0	100.0	$18,778	$163	$18,615
Norman Rockwell Elementary	Public	K-5	11125 - 162nd AVE NE	Redmond	98052	King County	Lake Washington School District	No	No	No	No	(425) 936-2670	423	28	15.3	9.5%	129 (30.5%)	13 (3.1%)	29 (6.9%)	214 (50.6%)	0 (0.0%)	0 (0.0%)	36 (8.5%)	95.8	41^st of 1138 public elementary schools	96.4%		92.9	73^rd of 1160 public elementary schools	93.7%	32	83.6	83.6	83.9	76.7	80.3	80.1	88.5	78.1	70.5	79.0	98.5	100.0	100.0	100.0	100.0	100.0	100.0	98.5	100.0	100.0	$17,879	$163	$17,716
Horace Mann Elementary	Public	K-5	17001 NE 104th	Redmond	98052	King County	Lake Washington School District	No	No	No	No	(425) 936-2610	387	23	17.0	5.9%	111 (28.7%)	6 (1.6%)	26 (6.7%)	204 (52.7%)	1 (0.3%)	0 (0.0%)	39 (10.1%)	97.3	22^nd of 1138 public elementary schools	98.1%		97.8	12^th of 1160 public elementary schools	99.0%	10	84.2	84.2			86.9	92.5	92.3		81.2	88.9	93.1	96.6	96.6	96.6	96.6	93.1	96.6	96.6	93.1	93.1	$20,332	$163	$20,169

Frequently Asked Questions about Cottage Lake Elementary

What is the racial makeup of Cottage Lake Elementary?

Students at Cottage Lake Elementary are 74% White, 9% Hispanic, 8% Asian, 8% Two or more races.

What district is Cottage Lake Elementary in?

Northshore School District

Is Cottage Lake Elementary a good school?

Cottage Lake Elementary ranks 142^nd of 1138 Washington elementary schools. SchoolDigger rates this school 4 stars out of 5.

How many students attend Cottage Lake Elementary?

In the 2024-25 school year, 258 students attended Cottage Lake Elementary.

What schools do graduates of Cottage Lake Elementary attend?

Students who attend Cottage Lake Elementary usually go on to attend:

Middle : Timbercrest Middle School
High : Woodinville High School

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Latest Washington data All new data »

2025–26 SBAC & WCAS test scoresSep 10, 2026

2024–25 dropout rates & graduation ratesJan 8, 2026

2022–23 through 2023–24 school spending dataJan 6, 2026

2024–25 SBAC & WCAS test scoresSep 10, 2025

SchoolDigger data sources: National Center for Education Statistics, U.S. Department of Education, the U.S. Census Bureau, the Washington State Department of Health and the Washington Office of Superindentent of Public Instruction.

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.