Best experienced with Click here to start. About Us! NEW WEB SERVER - WEBSERVER1 - ONLINE - 01/27/2001 Jefferson County-DuBois Area Vocational-Technical School (JEFF TECH) is a comprehensive vocational-technical high school offering exceptional training in 15 various technical training areas. Students attend JEFF TECH full-time for three years, 10th grade through 12th, receiving training in both ...

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