2006 TRIO ThinkQuest Quarterfinalist Sites
Congratulations to the following TRIO ThinkQuest teams that were selected as Quarterfinalists. The Semifinalists and Finalists were selected from this list. The list below is arranged alphabetically by state.
| State | Site Title | Institution & Program |
| AL | Major Events in Alabama that Paved the way for Americans | Alabama Southern Community College, Upward Bound |
| CA | Global Warming | California State University, Chico, Upward Bound |
| CA | Human HardDrive | California State University, Chico, Upward Bound |
| CA | Oroville | California State University, Chico, Upward Bound |
| CA | Soothing Sensations | California State University, Chico, Upward Bound |
| CA | Atlantis: The Lost City | University of Southern California, UBMS |
| CA | Dynamite Dynamix presents: Gang Impact | University of Southern California, UBMS |
| CA | The Teenage Mind | University of Southern California, UBMS |
| IL | A look at a Life in China | Carl Sandburg College, Upward Bound |
| KY | Odd Facts | Berea College, UBMS |
| KY | Pirates of the Mediterranean: Smugglers and Pirates | Berea College, UBMS |
| KY | Tales of the Supernatural: Berea College Ghost Stories | Berea College, UBMS |
| KY | Fusic: Where in the World is Our Music? | Morehead State University, Upward Bound |
| KY | United State of War | Morehead State University, Upward Bound |
| NC | Teen Suicide | Surry Community College, Upward Bound |
| NM | The Influence of Gangs in Our Society | University Of New Mexico (Main Campus), Upward Bound |
| PA | Lupus: The Unknown Affliction | Lincoln University, 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 | Diabetes (Team #55) | University of South Dakota, UBMS |
| SD | diabetes (Team #56) | 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 |
| SD | Herpetology | University of South Dakota, UBMS |
| TX | Amusement Park Physics | University of Texas, Arlington, UBMS |
| TX | Clouds | University of Texas, Arlington, UBMS |
| TX | Projectile Motion | University of Texas, Arlington, UBMS |
| TX | The basketball stars | University of Texas, El Paso, Talent Search |
| TX | The Man Named RS Heat | University of Texas, El Paso, Talent Search |
| TX | Mythical Earth | University of Texas, El Paso, Talent Search |
| TX | Cyberimmortality | University of Texas at El Paso, Upward Bound |
| TX | Modern Technology | University of Texas at El Paso, Upward Bound |
| TX | Paso del Norte | University of Texas at El Paso, Talent Search |
| TX | Placebo: Mind Over Body or Mind Over Behavior | University of Texas at El Paso, Upward Bound |
| WA | Music | Big Bend Community College, 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 |