Wednesday, April 07, 2021 - Virtual - Level: regional - 17 C Teams
| School/Team | State | Place | Total | Agricultural Science (Trial)[-] | Anatomy & Physiology | Astronomy | Chem Lab | Codebusters | Detector Building | Experimental Design | Fossils | GeoLogic Mapping | Helicopter | Protein Modeling | Sounds of Music | Vehicle Design | Water Quality | Write It Do It-Writer |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Hamilton High School, Hamilton High School SO | MT | 1 | 60 | 18 | 6 | 1 | 9 | 1 | 1 | 8 | 6 | 6 | 3 | 5 | 4 | 2 | 6 | 2 |
| Fergus High School, FHS SO | MT | 2 | 61 | 2 | 3 | 7 | 8 | 7 | 5 | 6 | 5 | 2 | 1 | 3 | 2 | 6 | 3 | 3 |
| Corvallis High school Varsity, Corvallis H... | MT | 3 | 76 | 18 | 2 | 2 | 6 | 9 | 6 | 7 | 2 | 7 | 5 | 7 | 7 | 1 | 11 | 4 |
| Sidney High School, SHS SO | MT | 4 | 88 | 18 | 9 | 5 | 4 | 11 | 7 | 5 | 4 | 10 | 4 | 6 | 6 | 4 | 4 | 9 |
| Helena High School, HHS | MT | 5 | 96 | 18 | 4 | 6 | 2 | 5 | 18 | 3 | 1 | 1 | 6 | 4 | 3 | 18 | 7 | 18 |
| North Toole County High School, NTCHS SO (... | MT | 6 | 96 | 3 | 5 | 4 | 5 | 3 | 2 | 1 | 12 | 8 | 18 | 10 | 9 | 3 | 8 | 8 |
| Billings Central Catholic High School, BCC... | MT | 7 | 124 | 1 | 8 | 18 | 1 | 4 | 18 | 18 | 3 | 12 | 2 | 2 | 11 | 7 | 2 | 18 |
| Park High School, Park High School | MT | 8 | 137 | 18 | 18 | 9 | 7 | 6 | 4 | 2 | 7 | 3 | 18 | 18 | 8 | 18 | 1 | 18 |
| Gallatin High School, GHS Raptors | MT | 9 | 142 | 18 | 13 | 8 | 3 | 8 | 18 | 4 | 11 | 11 | 18 | 1 | 18 | 18 | 5 | 6 |
| Jefferson High School, JHS SO | MT | 10 | 155 | 18 | 7 | 10 | 18 | 2 | 18 | 9 | 9 | 18 | 18 | 8 | 5 | 18 | 10 | 5 |
| Culbertson High School, CHS SO | MT | 11 | 158 | 18 | 11 | 3 | 10 | 10 | 18 | 18 | 10 | 5 | 18 | 9 | 1 | 18 | 9 | 18 |
| Billings Central Catholic High School, BCC... | MT | 12 | 205 | 4 | 12 | 18 | 18 | 18 | 18 | 18 | 8 | 4 | 18 | 18 | 18 | 18 | 18 | 1 |
| Libby Middle High School, LMHS SO | MT | 13 | 212 | 18 | 1 | 18 | 18 | 18 | 3 | 18 | 18 | 18 | 18 | 18 | 10 | 18 | 18 | 18 |
| Corvallis High school Varsity, Corvallis H... | MT | 14 | 228 | 18 | 10 | 11 | 18 | 18 | 18 | 18 | 18 | 9 | 18 | 18 | 18 | 18 | 18 | 18 |
| East Helena High School, EHHS SO Varsity S... | MT | 15 | 235 | 18 | 18 | 18 | 18 | 12 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 7 |
| Reed Point High School, RPHS SO | MT | 16 | 239 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 5 | 18 | 18 |
| Cut Bank High School, Varsity - small | MT | 17 | 247 | 18 | 18 | 18 | 18 | 13 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 |