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| Alvirne High School | C | 2 | | All NH Region | Hudson School District (NH) | NH | |
| American Heritage School | C | 1 | 1 | Southeast Regional at Florida Atlantic University | Palm Beach | FL | |
| American Heritage School Palm Beach | B | 1 | 1 | Southeast Regional at Florida Atlantic University | PBC/Private School | FL | |
| Arcadia High School | C | 2 | 2 | SoCal Joint Regional | Arcadia Unified School District | CA |
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| BASIS Independent McLean | C | 1 | 1 | Written Test Day (2/11) | Independent | VA | |
| Bloomington High School North | C | 2 | 2 | State | Monroe county community school corporation | IN |
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| BullSO Test Highschool | C | 2 | | | BullSO Test District | FL |
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| Cape Fear Christian Academy | B | 1 | 1 | | Private | NC | |
| Clayton Valley Charter High School | C | 1 | 1 | Bay Area Science Olympiad | Clayton Valley Charter High School | CA |
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| Cooper Middle School | B | 2 | 2 | Written Test Day (2/11) | Fairfax County Public Schools | VA |
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| Crean Lutheran High School | C | 2 | 2 | SoCal Joint Regional | Private school | CA | |
| Early College at Guilford | C | 3 | | | Guilford County | NC | |
| Glasgow Middle | B | 4 | | | East Baton Rouge Parish | LA | |
| Glen A. Wilson High School | C | 2 | 2 | SoCal Joint Regional | Hacienda La Puente Unified | CA | |
| Grand County High School | C | 1 | 1 | Utah Science Olympiad | Grand | UT | |
| Hillcrest High School | C | 3 | | Utah Science Olympiad | Canyons School District | UT |
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| Jeffrey Trail Middle School | B | 3 | | SoCal Joint Regional | Irvine Unified School District | CA | |
| Kennedy Middle School | B | 4 | | Northern California Science Olympiad | Cupertino Union School District | CA |
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| Land O Lakes High School | C | 1 | 1 | Western Regional at Hillsborough College, Brandon Campus | Pasco County School District | FL | |
| Milpitas High School | C | 1 | 1 | Northern California Science Olympiad | Milpitas Unified School District | CA | |
| Mt. Lebanon High School | C | 2 | 2 | Southwest Region at Penn West University | Mt. Lebanon School District | PA | |
| Northwood High School | C | 2 | | SoCal Joint Regional | Irvine Unified School District | CA | |
| Olympia High School | C | 4 | | | Orange County Public Schools | FL | |
| Orlando Science High School | C | 4 | 4 | Central Regional at Olympia High School (Orlando) | Orange | FL | |
| Palo Alto High School | C | 2 | 2 | Northern California Science Olympiad | Palo Alto Unified School District | CA |
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| Pleasant Ridge Middle School | B | 2 | | Northeast Regional | Blue Valley School District USD 229 | KS |
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| Portola High School | C | 3 | | SoCal Joint Regional | Irvine Unified School District | CA |
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| River City Science Academy M-H | C | 2 | | Eastern Regional at Embry Riddle Aeronautical University | DUVAL | FL |
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| River City Science Academy M-H | B | 4 | | Eastern Regional at Embry Riddle Aeronautical University | DUVAL | FL |
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| Roslyn High School | C | 3 | | Nassau West | Roslyn UFSD | NY | |
| Saint Mary Catholic Community School | B | 2 | 2 | State | Diocese of Gary | IN | |
| Stafford Middle School | B | 1 | 1 | | Plattsburgh City School District | NY | |
| Stoller Middle School | B | 2 | 2 | Oregon Science Olympiad | Beaverton School District | OR |
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| University High School | C | 2 | | SoCal Joint Regional | Irvine Unified School Distrcit | CA | |
| West High School (Torrance) | C | 2 | | | Torrance Unified School District | CA |
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| Wydown Middle School | B | 1 | 1 | Region 6 B | School District of Clayton | MO | |