Sanislo Elementary School
🇺🇸 Official data · 2025Seattle, Washington 98106 · Seattle School District No. 1
#1024 of 1,154 elementary schools in Washington
#37304 of 50,301 nationally
About Sanislo Elementary School
Sanislo Elementary School is a public elementary located in Seattle, in the Seattle School District No. 1 school district of Washington, United States. It caters for Grades K–5. In 2025 it enrolled 145 students. Traditional public schools run by a school district; free to attend.
Its Success Index (US) is 31.9 out of 100, placing it in the lower 50% of elementary schools in United States and 1024th of 1,154 ranked elementary schools in Washington. Its strongest component is students per teacher (68th percentile), and its weakest is reading proficiency (13th percentile).
Other published figures: enrollment 145.
There are 113 schools in Seattle; Sanislo Elementary School ranks 101st of 110 scored schools there.
Success Index (US) breakdown
Each component is a percentile against elementary schools across United States.
- Math proficiency (30%)32%
- Reading proficiency (30%)27%
- Community advantage (fewer free/reduced-price lunch) (25%)66.9%
- Students per teacher (15%)11.2
The Success Index (US) summarises published data about a school community. It is not a measure of teaching quality. Read the methodology.
Published measures
All figures published for Sanislo Elementary School by the official sources.
- Enrollment
- 145
- Students enrolled in the latest NCES directory year.
- Free/reduced-price lunch
- 66.9%
- Share of students eligible for free or reduced-price lunch.
- Students per teacher
- 11.2
- Enrollment divided by FTE teachers; not class size.
- Reading proficiency
- 27%
- Share of tested students proficient or above (all students, all grades).
- Math proficiency
- 32%
- Share of tested students proficient or above (all students, all grades).
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Schools near Sanislo Elementary School
Closest schools by straight-line distance, with their Success Index (US).
Louisa Boren STEM K-8
Seattle · Public elementary · Grades PK–8
437 students · 999 m away
West Seattle Elementary School
Seattle · Public elementary · Grades PK–5
376 students · 1.1 km away
David T. Denny International Middle School
Seattle · Public middle · Grades 6–8
722 students · 1.2 km away
Chief Sealth International High School
Seattle · Public high · Grades 9–12
1,184 students · 1.3 km away
Roxhill Elementary School
Seattle · Public elementary · Grades PK–5
289 students · 1.4 km away
Highland Park Elementary School
Seattle · Public elementary · Grades PK–5
300 students · 1.8 km away
Fairmount Park Elementary School
Seattle · Public elementary · Grades PK–5
357 students · 2.1 km away
Gatewood Elementary School
Seattle · Public elementary · Grades K–5
400 students · 2.2 km away
Southwest Youth and Family Services
Seattle · Public high · Grades 9–12
0 students · 2.5 km away
Head Start
Seattle · Public other · Grades PK–PK
0 students · 2.8 km away
Similar schools
Public elementary schools in Washington with a comparable Enrollment.
Chimacum Creek Primary School
Port Hadlock · Public elementary · Grades PK–1
147 students
Waitsburg Elementary School
Waitsburg · Public elementary · Grades PK–5
148 students
Marysville Coop Program
Marysville · Public elementary · Grades K–5
150 students
Stevens Elementary School
Seattle · Public elementary · Grades K–5
150 students
Willapa Elementary
Raymond · Public elementary · Grades K–5
140 students
Prescott Elementary School
Prescott · Public elementary · Grades K–5
139 students
Frequently asked questions
Is Sanislo Elementary School a good school?
Sanislo Elementary School has a Success Index (US) of 31.9 out of 100 (Lower 50% of elementary schools in United States) and ranks #1024 of 1,154 in Washington. The index summarises published data about the school community and, where available, attainment; it does not measure teaching quality, so visit the school and ask about support at your child's level.
Where does Sanislo Elementary School rank in Washington?
Sanislo Elementary School ranks #1024 of 1,154 elementary schools in Washington and #37304 of 50,301 nationally on the Success Index (US) (2025 data).
How many students attend Sanislo Elementary School?
Sanislo Elementary School had 145 students in 2025.
Is Sanislo Elementary School a elementary school or a high school?
Sanislo Elementary School is classified as a elementary covering Grades K–5. It is a public school.
What other schools are near Sanislo Elementary School?
There are 10 schools within 15 km of Sanislo Elementary School; they are listed on this page with their Success Index (US) and distance, and can be compared side by side.