2006 TRIO ThinkQuest Semifinalist Sites
Congratulations to the following TRIO ThinkQuest teams that were selected as Semifinalists. The Finalists were selected from this list. The list below is arranged alphabetically by state.
| State | Site Title | Institution & Program |
| CA | Global Warming | California State University, Chico, Upward Bound |
| CA | Oroville | California State University, Chico, Upward Bound |
| CA | Dynamite Dynamix presents: Gang Impact | University of Southern California, UBMS |
| CA | The Teenage Mind | University of Southern California, UBMS |
| KY | Pirates of the Mediterranean: Smugglers and Pirates | Berea College, UBMS |
| KY | Tales of the Supernatural: Berea College Ghost Stories | Berea College, UBMS |
| NM | The Influence of Gangs in Our Society | University Of New Mexico (Main Campus), Upward Bound |
| PA | The Real Enslavement | Lincoln University, Upward Bound |
| PA | Youth Violence | Lincoln University, Upward Bound |
| SD | Cryptology | University of South Dakota, UBMS |
| SD | Ethanol | University of South Dakota, UBMS |
| SD | A Feelgood Time | University of South Dakota, UBMS |
| SD | Game Theory | University of South Dakota, UBMS |
| TX | Clouds | University of Texas, Arlington, UBMS |
| TX | Modern Technology | University of Texas at El Paso, Upward Bound |
| TX | Paso del Norte | University of Texas at El Paso, Educational Talent Search |
| TX | Placebo: Mind Over Body or Mind Over Behavior | University of Texas at El Paso, Upward Bound |
| WA | Cries of the Third World | University of Washington, Upward Bound |
| WA | Forbidden Access – Illegal Immigration | University of Washington, Upward Bound |
| WA | Obesity | University of Washington, Upward Bound |
| WA | Operation Restore Hope/Battle of Muqdisho | University of Washington, Upward Bound |