Jupin followed up her strong freshman season with an outstanding sophomore campaign. She led the Lady Bison in scoring with 11.9 points per game while knocking down 61 three’s. She helped Washington High win back-to-back state titles in 2002-2003 and 2003-2004 seasons. Jupin received honors to the Oklahoma All-State teams all four years at Washington High School. Her freshman year she was named to the second team All-State and received the same honor her sophomore year. Also during her sophomore year Jupin was a first team selection during the OSSAA state tournament. She was also named first team All-State her Junior and Senior and was named first team All-Little City her junior year and was named Little All-City Player of the year in the 2004-2005 season. Jupin earned the MVP of the OBU tournament her junior year and earned MVP honors her freshman and sophomore years at BCI Nationals. Jennifer is the daughter of Don and Sandy Jupin.