Rainier Prep

Summary:

Rainier Prep is a high-performing public charter middle school in Seattle, WA, serving 330 students in grades 5-8. With a diverse student population that is majority African American (58.48%) and Hispanic (26.67%), Rainier Prep consistently outperforms the state average in academic proficiency across all grades and subjects.

Rainier Prep's strong academic performance is particularly noteworthy for its subgroups. In the 2023-2024 school year, the school ranked 7th out of 90 Washington middle schools for African American students and 17th out of 344 for Hispanic students in English Language Arts proficiency, both with a 5-star rating. The school also excels in supporting its English Language Learner (ELL) students, ranking 10th out of 78 Washington middle schools in ELL English Language Arts proficiency, with a 4-star rating. Despite serving a high percentage of students from low-socioeconomic backgrounds (72.12% qualify for free or reduced-price lunch), Rainier Prep ranks 12th out of 455 Washington middle schools for this subgroup in English Language Arts proficiency, with a 5-star rating.

Rainier Prep's performance stands out when compared to nearby middle schools. For example, Islander Middle School, which is ranked 19th out of 535 Washington middle schools, has significantly higher proficiency rates in English Language Arts (79.19%) and Math (72.59%) than the state averages. In contrast, many of the other nearby schools, such as Sylvester Middle School, Dimmitt Middle School, and Glacier Middle School, have much lower proficiency rates, particularly in Math. Rainier Prep's strong focus on equity and effective resource allocation, with per-student spending increasing from $11,786 in 2018-2019 to $16,947 in 2021-2022, may be contributing factors to its academic success.


Detail:

Public, Charter 5-8

 10211 12th Ave S
       Seattle, WA  98168


(206) 494-5979

District: Rainier Prep Charter School District

SchoolDigger Rank:
120th of 535 Washington Middle Schools

Per Pupil Expenditures:  $16,947 Help


Student/teacher ratio:  13.2 Help
Number of students:  330

Racial breakdown:

African American:
58.5%
Hispanic:
26.7%
Asian:
6.7%
more

Free/discounted lunch recipients:  72.1% Help


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Performance Trends
Help
Compare Details Rainier Prep ranks better than 77.6% of middle schools in Washington. (See more...)
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Compare Details In 2024 the calculated Average Standard Score was 73.58. (See more...)
Student Body
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Compare Details Racial makeup is: African American (58.5%), Hispanic (26.7%), Asian (6.7%). (See more...)
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Compare Details 72.1% of students are receiving a free or discounted lunch. (See more...)
Teachers
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Compare Details The student/teacher ratio at Rainier Prep is 13.2. (See more...)
Help
Compare Rainier Prep employs 24.9 full-time teachers.
Finance
Help
Compare Details The average total spent per student at Rainier Prep is $16,947.
Schooldigger 2024 Rankings:

Rainier Prep:

SchoolDigger ranks Rainier Prep 120th of 535 Washington public middle schools. (See Rainier Prep in the ranking list.)

Middle School Test Score Ratings by Student Subgroup:


English Language Learner students:
Low Socio Economic Status students:
Female students:
Male students:
African American students:
Hispanic students:


Rainier Prep Charter School District:

SchoolDigger ranks Rainier Prep Charter School District 22nd of 247 Washington school districts. (See district ranking list.)

Average Parent Rating:

Read all reviews and ratings detail for Rainier Prep.

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Rank History for Rainier Prep

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Rank History for all students at Rainier Prep

Year Avg Standard Score Statewide Rank Total # Ranked Middle Schools WA State Percentile SchoolDigger Rating
2018 73.14 104th 437 76.2%
2019 72.65 120th 512 76.6%
2021 42.07 294th 529 44.4%
2022 54.31 207th 541 61.7%
2023 69.38 142nd 539 73.7%
2024 73.58 120th 535 77.6%
See the entire list of Washington Middle School Rankings!

Rank History for English Language Learner students at Rainier Prep

Year Avg Standard Score Statewide Rank Total # Ranked Middle Schools WA State Percentile SchoolDigger Rating
2018 84.10 6th 135 95.6%
2019 93.20 6th 100 94.0%
2021 78.59 6th 50 88.0%
2022 49.37 22nd 63 65.1%
2023 62.04 13th 57 77.2%
2024 82.63 10th 78 87.2%
See the entire list of Best Washington Middle Schools for English Language Learner Students!

Rank History for Special Education students at Rainier Prep

Year Avg Standard Score Statewide Rank Total # Ranked Middle Schools WA State Percentile SchoolDigger Rating
2019 34.90 143rd 231 38.1%
See the entire list of Best Washington Middle Schools for Special Education Students!

Rank History for Low Socio Economic Status students at Rainier Prep

Year Avg Standard Score Statewide Rank Total # Ranked Middle Schools WA State Percentile SchoolDigger Rating
2018 93.19 17th 349 95.1%
2019 88.21 15th 448 96.7%
2021 71.30 67th 458 85.4%
2022 77.37 56th 475 88.2%
2023 88.64 20th 463 95.7%
2024 91.45 12th 455 97.4%
See the entire list of Best Washington Middle Schools for Low Socio Economic Status Students!

Rank History for Female students at Rainier Prep

Year Avg Standard Score Statewide Rank Total # Ranked Middle Schools WA State Percentile SchoolDigger Rating
2018 78.18 75th 376 80.1%
2019 74.00 102nd 452 77.4%
2021 40.12 274th 469 41.6%
2022 56.06 179th 479 62.6%
2023 72.33 113th 464 75.6%
2024 79.73 82nd 464 82.3%
See the entire list of Best Washington Middle Schools for Female Students!

Rank History for Male students at Rainier Prep

Year Avg Standard Score Statewide Rank Total # Ranked Middle Schools WA State Percentile SchoolDigger Rating
2018 62.80 122nd 371 67.1%
2019 68.53 118th 453 74.0%
2021 44.95 243rd 476 48.9%
2022 51.74 196th 480 59.2%
2023 63.53 148th 470 68.5%
2024 60.08 166th 466 64.4%
See the entire list of Best Washington Middle Schools for Male Students!

Rank History for Asian students at Rainier Prep

Year Avg Standard Score Statewide Rank Total # Ranked Middle Schools WA State Percentile SchoolDigger Rating
2019 65.13 50th 152 67.1%
See the entire list of Best Washington Middle Schools for Asian Students!

Rank History for African American students at Rainier Prep

Year Avg Standard Score Statewide Rank Total # Ranked Middle Schools WA State Percentile SchoolDigger Rating
2018 95.86 2nd 66 97.0%
2019 86.59 8th 111 92.8%
2021 69.27 18th 106 83.0%
2022 80.65 13th 104 87.5%
2023 93.95 2nd 96 97.9%
2024 86.06 7th 90 92.2%
See the entire list of Best Washington Middle Schools for African American Students!

Rank History for Hispanic students at Rainier Prep

Year Avg Standard Score Statewide Rank Total # Ranked Middle Schools WA State Percentile SchoolDigger Rating
2018 87.33 25th 259 90.3%
2019 85.15 33rd 344 90.4%
2021 54.38 127th 353 64.0%
2022 66.58 86th 360 76.1%
2023 90.13 23rd 336 93.2%
2024 92.14 17th 344 95.1%
See the entire list of Best Washington Middle Schools for Hispanic Students!

Data source: test scores: Washington Office of Superindentent of Public Instruction, rankings: SchoolDigger.com

As you review the school rankings data, please be aware that some of the information from certain demographics is missing. The reason for this omission is that the data has been redacted from the source data itself due to low population samples in these specific demographic groups.

Redacting data from low population samples is a necessary step to ensure the reliability and accuracy of the results, as small sample sizes may not be representative of the broader population. Additionally, this measure helps protect the privacy of individuals belonging to these demographic groups.

Rainier Prep Test Scores
Tests: 
  
Grades: 
  
Years: 
  
Group by: 
District Scores:
State Scores:    
  
Subgroup: 







Data source: Washington State Office of Superintendent of Public Instruction

Review counts

All ratings (Avg rating: 5)
100%

0%

0%

0%

0%

  

Reviews:
by a parent
Thursday, February 14, 2019

Open Quote We love Rainier Prep! Our son started there in 5th grade and is in 8th grade now. He is challenged not only academically but taught as a whole person. His self esteem is increased and he strives to better himself. We will be sending our second son next year. The founder Maggie O'Sullivan is outstanding with passion for the kids. Every teacher our son has had is incredible. Close Quote



Enrollment information for Rainier Prep

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Compare
Year White African American Asian Hispanic American Indian Pacific Islander Two or More Races Not Specified Total
2016 12 45 21 64 2 5 17 0 166
2017 16 81 27 104 1 2 20 0 251
2018 60 119 30 94 1 3 26 0 333
2019 22 138 25 126 0 3 26 1 341
2020 16 140 22 149 0 0 22 1 350
2021 17 169 25 120 0 0 13 0 344
2022 11 186 21 98 0 1 15 0 332
2023 8 193 22 88 0 3 16 0 330

Data source: National Center for Education Statistics, U.S. Dept of Education.

About Enrollment/Ethnicity

For more information about how the Department of Education defines ethnicity, see Defining Race and Ethnicity Data, National Center for Education Statistics

Students eligible for free or discounted lunch at Rainier Prep

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Compare
Year # Students Full-time Teachers Student/Teacher ratio % Free/Discounted Lunch
2016 166 7.0 23.7 81.3
2017 251 13.5 18.5 77.3
2018 333 22.0 15.1 75.7
2019 341 20.9 16.2 68
2020 350 23.8 14.7 71.1
2021 344 24.8 13.8 67.7
2022 332 25.9 12.8 76.8
2023 330 24.9 13.2 72.1

Data source: National Center for Education Statistics, U.S. Dept of Education.

About Students eligible for discounted/free lunch:

The National School Lunch Program (NSLP) provides low-cost or free meals to students in U.S. public and nonprofit private schools based on household income. Those with incomes below 130% of the poverty line receive free lunch, while those between 130% and 185% qualify for reduced-price lunch. The percentage of students receiving free or reduced-price lunch serves as a marker for poverty, as it reflects the socioeconomic status of families in a given school or district. A higher FRPL rate typically indicates a higher concentration of low-income families, suggesting that the school or district may face additional challenges in providing adequate resources and support for student success.

Student/Teacher Ratio Rainier Prep

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Compare
Year # Students Full-time Teachers Student/Teacher ratio % Free/Discounted Lunch
2016 166 7.0 23.7 81.3
2017 251 13.5 18.5 77.3
2018 333 22.0 15.1 75.7
2019 341 20.9 16.2 68
2020 350 23.8 14.7 71.1
2021 344 24.8 13.8 67.7
2022 332 25.9 12.8 76.8
2023 330 24.9 13.2 72.1

Data source: National Center for Education Statistics, U.S. Dept of Education.

About Student-Teacher Ratio

Student/teacher ratio is calculated by dividing the total number of students by the total number of full-time equivalent teachers. Please note that a smaller student/teacher ratio does not necessarily translate to smaller class size. In some instances, schools hire teachers part time, and some teachers are hired for specialized instruction with very small class sizes. These and other factors contribute to the student/teacher ratio. Note: For private schools, Student/teacher ratio may not include Pre-Kindergarten.

6th Grade Immunization Rates

Rainier Prep

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Compare
YearCompletely ImmunizedReligious ExemptionMedical ExemptionConditionalPersonal ExemptionPolioDiphtheriaHepatitis BVaricellaMMRPertussis
201882.1%0.0%0.0%0.0%1.2%95.2%96.4%98.8%97.6%98.8%85.7%
201958.6%0.0%0.0%0.0%0.0%100.0%98.9%100.0%100.0%100.0%58.6%

Data source: Washington State Department of Health

Immunization Rates (Entire school)

Rainier Prep

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Compare
YearCompletely ImmunizedReligious ExemptionMedical ExemptionPersonal ExemptionPolioDiphtheriaHepatitis BVaricellaMMRPertussis
201984.7%0.0%0.0%0.3%99.7%99.7%99.7%99.7%99.7%99.7%

Data source: Washington State Department of Health
Finances

Per Pupil Expenditures for Rainier Prep

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YearExpenditures from Federal FundsExpenditures from State and Local FundsTotal Expenditures Per Pupil (All Funds)
2019 $1,013 (8.6%) $10,773 (91.4%) $11,786
2020 $1,071 (9.0%) $10,827 (91.0%) $11,898
2021 $931 (6.7%) $13,017 (93.3%) $13,948
2022 $805 (4.8%) $16,142 (95.2%) $16,947

Data source: Washington Department of Education
Pre and Post Pandemic Data

Impact of COVID-19 on Rainier Prep

The coronavirus has had a profound impact on education in America. Learning shifted online overnight, attendance numbers dwindled, and enrollment decreased. SchoolDigger.com is making it easier for you to better assess how COVID-19 has impacted your school. Through the collection of pre-pandemic (2019) and current data, SchoolDigger.com is sharing test scores, enrollment numbers and school demographics from schools across the country – and we make it easy to see how impacted schools compare locally and statewide.

Rankings

Rank
Pre-pandemic (2018-2019)
Rank
Post pandemic (2022-2023)
Change (%)
Ranks 120th of 512 Middle schoolsRanks 142nd of 539 Middle schools
 2.9%

Test Scores

% proficient
Pre-pandemic (2018-2019)
% proficient
Post pandemic (2022-2023)
Change (%)
5th Grade English Language Arts (Rainier Prep)51.459.5
 8.1%
   5th Grade English Language Arts (Rainier Prep Charter School District)51.459.5
 8.1%
   5th Grade English Language Arts (Washington)61.353.8
 7.6%
5th Grade Math (Rainier Prep)5648.8
 7.3%
   5th Grade Math (Rainier Prep Charter School District)5648.8
 7.3%
   5th Grade Math (Washington)49.142
 7.1%
5th Grade Science (Rainier Prep)4643
 2.9%
   5th Grade Science (Rainier Prep Charter School District)4643
 2.9%
   5th Grade Science (Washington)54.152.3
 1.8%
6th Grade English Language Arts (Rainier Prep)58.353.8
 4.6%
   6th Grade English Language Arts (Rainier Prep Charter School District)58.353.8
 4.6%
   6th Grade English Language Arts (Washington)57.847.9
 9.9%
6th Grade Math (Rainier Prep)5648.1
 7.9%
   6th Grade Math (Rainier Prep Charter School District)5648.1
 7.9%
   6th Grade Math (Washington)47.738.1
 9.6%
7th Grade English Language Arts (Rainier Prep)64.561.5
 3%
   7th Grade English Language Arts (Rainier Prep Charter School District)64.561.5
 3%
   7th Grade English Language Arts (Washington)6252.1
 9.9%
7th Grade Math (Rainier Prep)69.755.4
 14.3%
   7th Grade Math (Rainier Prep Charter School District)69.755.4
 14.3%
   7th Grade Math (Washington)49.938.6
 11.2%
8th Grade English Language Arts (Rainier Prep)68.367.5
 0.8%
   8th Grade English Language Arts (Rainier Prep Charter School District)68.367.5
 0.8%
   8th Grade English Language Arts (Washington)59.651.3
 8.3%
8th Grade Math (Rainier Prep)65.949.4
 16.5%
   8th Grade Math (Rainier Prep Charter School District)65.949.4
 16.5%
   8th Grade Math (Washington)47.234.4
 12.8%
8th Grade Science (Rainier Prep)64.236.6
 27.6%
   8th Grade Science (Rainier Prep Charter School District)64.236.6
 27.6%
   8th Grade Science (Washington)53.143.9
 9.3%
All Grades English Language Arts (Rainier Prep)60.860.6
 0.1%
   All Grades English Language Arts (Rainier Prep Charter School District)60.860.6
 0.1%
   All Grades English Language Arts (Washington)6152.9
 8.1%
All Grades Math (Rainier Prep)61.850.5
 11.4%
   All Grades Math (Rainier Prep Charter School District)61.850.5
 11.4%
   All Grades Math (Washington)50.141
 9%
All Grades Science (Rainier Prep)55.539.8
 15.7%
   All Grades Science (Rainier Prep Charter School District)55.539.8
 15.7%
   All Grades Science (Washington)52.748.8
 4%

Student Body

Number of students
Pre-pandemic (2018-2019)
Number of students
Post pandemic (2022-2023)
Change (%)
Total Students341330
 3.2%
African American138193
 39.9%
American Indian00
Asian2522
 12%
Hispanic12688
 30.2%
Pacific Islander33
White228
 63.6%
Two or More Races2616
 38.5%
% Free/Discounted Lunch Recipients68%72.1%
 4.1%


Schools Near Rainier Prep









Frequently Asked Questions about Rainier Prep

In the 2022-23 school year, 330 students attended Rainier Prep.

Students at Rainier Prep are 58% African American, 27% Hispanic, 7% Asian, 5% Two or more races, 2% White.

Rainier Prep ranks 120th of 535 Washington middle schools. SchoolDigger rates this school 4 stars out of 5.


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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.





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