The three students nominated for Courier Journal High School Student of the Week are described as scholars and leaders who are always willing to help others. Read about them and help select the best of the best. Voting is open until noon Thursday, Feb. 6. You can vote at the bottom of this story. High school principals, teachers, guidance counselors and district officials are invited to nominate students each week based on outstanding achievement or community service. We will announce the top vote-getter each Friday. Learn about the Student of the Week nominees: Carl Kroboth, Oldham County High School:…..