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Average

#1386 of 2,228 schools in WA

Sanislo Elementary School

Elementary School · Seattle School District No. 1 · Seattle, WA

A Seattle School District No. 1 elementary school serving grades Kindergarten – 5th.

1812 SW MYRTLE ST, Seattle, WA 98106

  • Math 26% vs WA 46% (2024)
  • Reading 39% vs WA 50% (2024)
  • 12.2:1 student-teacher ratio

Academics

Full Profile · 3/3 metrics
Student Progress4.3Below Average50%
Year-over-year improvement in student test scores.
View breakdown
Years of Data13
Annual Change-2.13 pts/yr
Data Period2009–2024
TrendDeclining
Academics6.0Average30%
Student proficiency on state tests, adjusted for community poverty levels.
View breakdown
Math Proficiency26.5% (2024 SBA)
Reading/ELA Proficiency39.8% (2024 SBA)
Math vs. State Avg-25.3 pts
Reading vs. State Avg-8.6 pts
Overall Proficiency33% (2024 SBA, Math+ELA)
Expected (poverty-adj.)30% (model expectation from 2024 SBA)
vs. Expected+2.8 pts
Adjusted Percentile43th
Resources & Environment9.5Excellent20%
Student-teacher ratio, district spending per student, and attendance.
View breakdown
Student-Teacher Ratio12.2:1
District spending per student$21,806
Chronic Absenteeism45.6%

Students at Sanislo Elementary School score 33% proficient, which is above what's typical for similar communities (expected: 30%).

How we calculate scores →

2024 SBA proficiency

Most recent published year. School vs. WA average.

Math Proficiency26%(2024 SBA)
School
State
46%(2024 SBA)
ELA Proficiency39%(2024 SBA)
School
State
50%(2024 SBA)

Trend

→ Steady

Proficiency is down 22 points across the 16-year record (2009–2024) and has held near 33% recently.

Show all 13 years
2009
Math
52%
ELA
57%
2010
Math
57%
ELA
62%
2011
Math
52%
ELA
57%
2012
Math
42%
ELA
52%
2013
Math
42%
ELA
47%
2014
Math
32%
ELA
32%
2015
Math
32%
ELA
42%
2016
Math
27%
ELA
32%
2017
Math
32%
ELA
32%
2018
Math
32%
ELA
27%
2019
Math
32%
ELA
27%
2022
Math
23%
ELA
27%
2024
Math
26%
ELA
39%

Multi-year averages used by the rating model: math 35% (multi-year average, 2009-2024) · reading/ELA 41% (multi-year average, 2009-2024)

Based on 34 test records from WA state assessments and EdFacts (NCES).

Equity & diversity

Shown separately, not included in the overall score

Free/reduced lunch

74.3%

Students qualifying for federal meal assistance

How we rate schools

A clear 1–10 score built from public data — growth, academics, and learning environment. No hidden criteria, no pay-to-play.

See how we rate

The neighborhood

Where Sanislo Elementary School sits, and what the surrounding area looks like.

Nearby same-level schools are colored by their score. Pins are locations, not attendance boundaries. Open the Seattle map →

Getting around & local context

  • Walk 40Car-Dependent
  • Transit 48Some Transit
  • Bike 52Bikeable
  • City Safety: High5,803/100K

Powered byWalk Score

FBI Uniform Crime Reporting · 2024 · city context (Seattle), not school-level safety or attendance eligibility. Source details

Source period: 2024. Freshness not available.

Area profileU.S. Census ACS 5-year estimates (ACS 2019–2023 5-year estimates)

Median income

$115,529

Median home value

$666,800

Median rent

$1,824/mo

College educated

45%

Homeownership

58.2%

Poverty rate

9.6%

ACS 2019–2023 5-year estimates for the ZCTA associated with school ZIP 98106; this is area context, not an attendance boundary.

Programs & students

Programs & Offerings

Gifted & Talented ProgramAvailable
This school offers a gifted and talented program for qualifying students.·CRDC via Urban Institute · SY 2021–22

Compare nearby

Nearby same-level schools

4 from a 5-mile search; district fallback available

SchoolScoreGradesDistanceEnrollmentCompare
Louisa Boren Stem K-8Enrollment path unverified5.0PK–80.6 mi457Compare →
West Seattle Elementary SchoolEnrollment path unverified9.4PK–50.7 mi374Compare →
Our Lady of Guadalupe SchoolPrivate · tuition7.3privatePK–80.8 mi198Compare →
Roxhill Elementary SchoolEnrollment path unverified5.6PK–50.9 mi273Compare →

Distance is proximity only; it is not attendance eligibility.

Enrollment path unverified: Potential public school; its attendance or application path has not been classified.

Private · tuition: Potential private option; tuition and admission requirements have not been verified.

Public and private scores come from different models and are shown side by side, not blended into one ranking.

Seattle School District No. 1

Schools in district
109
Rank in district
#95 of 106
District spending per student
$21,806NCES F-33 · FY 2023 · This annual source is three years behind the current year.
District child poverty rate
8.5%Census SAIPE · 2024

Sanislo Elementary School is listed in Seattle School District No. 1; a district label does not verify attendance for an address.

About Sanislo Elementary School

Sanislo Elementary School is a public elementary school in Seattle, WA, part of Seattle School District No. 1, serving approximately 171 students in grades Kindergarten-5th with a 12.2:1 student-teacher ratio. It holds a MySchoolScout rating of 5.8 out of 10 and ranks #1,386 of 2,228 schools in WA. State assessment records show 35% math proficiency (multi-year average, 2009-2024) and 41% reading/ELA proficiency (multi-year average, 2009-2024).

Frequently asked questions

Common questions about Sanislo Elementary School

What grades does Sanislo Elementary School serve?

Sanislo Elementary School serves students in grades Kindergarten through 5th.

How many students attend Sanislo Elementary School?

Sanislo Elementary School has an enrollment of approximately 171 students.

What is the student-teacher ratio at Sanislo Elementary School?

The student-teacher ratio at Sanislo Elementary School is 12.2:1. A lower ratio generally means more individual attention per student. The national average is approximately 16:1 for public schools.

How does Sanislo Elementary School rank in WA?

Sanislo Elementary School ranks #1,386 of 2,228 schools in WA.

What is Sanislo Elementary School's MySchoolScout rating?

Sanislo Elementary School has a current MySchoolScout rating of 5.8 out of 10. This score combines the level-appropriate components shown in the rating breakdown; equity data is shown separately for context.

What are the test scores at Sanislo Elementary School?

Based on loaded state assessment records, Sanislo Elementary School has 35% math proficiency (multi-year average, 2009-2024) and 41% reading/ELA proficiency (multi-year average, 2009-2024).

Is Sanislo Elementary School a charter school?

No, Sanislo Elementary School is not a charter school. It is a traditional public school operated by the local school district.

Is Sanislo Elementary School a Title I school?

No, Sanislo Elementary School is not currently a Title I school.

What does the Free & Reduced Lunch percentage mean for Sanislo Elementary School?

74.3% of students at Sanislo Elementary School qualify for free or reduced-price lunch. This is a commonly used indicator of economic need and provides important context when interpreting test scores.

School factsNCES Common Core of Data (CCD) (SY 2023–24)

Grades
Kindergarten – 5th
Enrollment
171
Student-Teacher Ratio
12.2:1
Teachers (FTE)
14
Type
regular
Setting
Large City
County
King County
Chronic Absenteeism (SY 2022-23)
45.6%
Area population (ZIP 98106)
28,889
Area average commute
28.4 min
Area median age
36.4
About this school's data

Every number on this page comes from a published source with a stated period. Where a source is partial, aging, or describes a surrounding area rather than the school, that limitation is named below.

School directory (enrollment, grades, staff, contact)
NCES Common Core of Data (CCD) · SY 2023–24 · Medium confidence
  • Source period: SY 2023–24. A newer release may be available.
MySchoolScout rating and rank
MySchoolScout ranking model · Low confidence
  • Vintage not available. Do not use this measure alone.
  • Derived as a weighted blend of the component scores shown in Academics from state assessment, EdFacts growth, and NCES resource records.
Math proficiency
State department of education · 2024 SBA · Low confidence
  • Vintage not available. Do not use this measure alone.
  • Available for part of the eligible units; results may not represent the full area.
  • Derived from source records rather than read directly from one field.
Reading/ELA proficiency
State department of education · 2024 SBA · Low confidence
  • Vintage not available. Do not use this measure alone.
  • Available for part of the eligible units; results may not represent the full area.
  • Derived from source records rather than read directly from one field.
Student progress (growth)
NCES EdFacts · Mixed source periods · Low confidence
  • Vintage not available. Do not use this measure alone.
  • Available for part of the eligible units; results may not represent the full area.
  • Derived as the fitted year-over-year slope of proficiency from multi-year assessment records.
Neighborhood (income, housing, education)
U.S. Census ACS 5-year estimates · ACS 2019–2023 5-year estimates · Low confidence
  • Older source: ACS 2019–2023 5-year estimates. Use as historical context.
  • Reported for the ZCTA for ZIP 98106; this does not measure the attendance area.
Programs (AP/IB, athletics, gifted)
CRDC via Urban Institute · SY 2021–22 · Medium confidence
  • Available for part of the eligible units; results may not represent the full area.
  • Source period: SY 2021–22. A newer release may be available.

Evidence periods: Rating mixed/unknown input periods; assessments multi-year average, 2009-2024; directory SY 2023–24

About our data · How we calculate scores

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