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| Brownell Talbot Middle School | B | 1 | | | Brownell Talbot | NE | |
| Evergreen Middle School | B | 2 | | Regional - NW-B-East | Lake Washington School District | WA |
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| John Read Middle School | B | 2 | | ER9 | Redding | CT |
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| Saint John's School | B | 1 | | | Private | TX | |
| St. John Fisher | B | 2 | | | NA | OR | |
| St. John's Middle School | B | 1 | | | Private | TX | |
| Stoller Middle School | B | 3 | | Oregon Science Olympiad | Beaverton School District | OR |
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| The Shipley School B | B | 2 | | Southeast Regional at PSU Abington | Lower Merion (Independent) | PA | |
| Timberline Middle School | B | 1 | | | Lake Washington School District | WA |
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| Tumwater Rapids | B | 1 | | | Beaverton School District | OR | |