Serving 1,201 students in grades 9-12, Chief Sealth International High School ranks in the top 50% of all schools in Washington for overall test scores (math proficiency is bottom 50%, and reading proficiency is bottom 50%).
The percentage of students achieving proficiency in math is 25-29% (which is lower than the Washington state average of 40%). The percentage of students achieving proficiency in reading/language arts is 70-74% (which is higher than the Washington state average of 53%).
The student:teacher ratio of 18:1 is higher than the Washington state level of 16:1.
Minority enrollment is 76% of the student body (majority Hispanic and Black), which is higher than the Washington state average of 52% (majority Hispanic and Asian).
Quick Stats (2025)
Grades: 9-12
Enrollment: 1,201 students
Student:Teacher Ratio: 18:1
Minority Enrollment: 76%
Graduation Rate
: 89% (Top 30% in WA)
Overall Testing Rank
: Top 50%
Math Proficiency
: 25-29% (Btm 50%)
Reading Proficiency
: 70-74% (Top 20%)
Science Proficiency
: 35-39% (Btm 50%)
Source: National Center for Education Statistics (NCES), WA Dept. of Education
Chief Sealth International High School ranks within the top 50% of all 2,113 schools in Washington (based off of combined math and reading proficiency testing data).
The diversity score of Chief Sealth International High School is 0.80, which is more than the diversity score at state average of 0.69. The school's diversity has stayed relatively flat over five school years.
What is Chief Sealth International High School's ranking?
Chief Sealth International High School is ranked #917 out of 2,113 schools, which ranks it among the top 50% of public schools in Washington.
What schools are Chief Sealth International High School often compared to?
Chief Sealth International High Schoolis often viewed alongside schools like West Seattle High School by visitors of our site.
What percent of students have achieved state testing proficiency in math and reading?
25-29% of students have achieved math proficiency (compared to the 40% WA state average), while 70-74% of students have achieved reading proficiency (compared to the 53% WA state average).
What is the graduation rate of Chief Sealth International High School?
The graduation rate of Chief Sealth International High School is 89%, which is higher than the Washington state average of 84%.
How many students attend Chief Sealth International High School?
1,201 students attend Chief Sealth International High School.
What is the racial composition of the student body?
27% of Chief Sealth International High School students are Hispanic, 24% of students are White, 22% of students are Black, 14% of students are Asian, 10% of students are Two or more races, 2% of students are Hawaiian, and 1% of students are American Indian.
What is the student:teacher ratio of Chief Sealth International High School?
Chief Sealth International High School has a student ration of 18:1, which is higher than the Washington state average of 16:1.
What grades does Chief Sealth International High School offer ?
Chief Sealth International High School offers enrollment in grades 9-12 (offers virtual instruction).
What school district is Chief Sealth International High School part of?
In what neighborhood is Chief Sealth International High School located?
Chief Sealth International High School is located in the South Delridge neighborhood of Seattle, WA. There are 1 other public schools located in South Delridge.
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Quick Stats (2025)
Grades: 9-12
Enrollment: 1,201 students
Student:Teacher Ratio: 18:1
Minority Enrollment: 76%
Graduation Rate
: 89% (Top 30%)
Overall Testing Rank
: Top 50%
Math Proficiency
: 25-29% (Btm 50%)
Reading Proficiency
: 70-74% (Top 20%)
Science Proficiency
: 35-39% (Btm 50%)
Source: National Center for Education Statistics (NCES), WA Dept. of Education
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