Teacher sets high bar in kindness and caring for students Teacher sets high bar in kindness and caring for students By Diana Davis | January 31, 2021 at 5:53 PM CST - Updated February 2 at 10:27 AM LAKE CITY, Ark. (KAIT) - The power of sharing positivity is an amazing thing--especially when students are the ones benefiting. Linda Campbell makes sure students at Riverside High School are on the âreceiving endâ of lots of opportunities. In fact, itâs the hallmark of her teaching career that spans four decades... and sheâs not stopping now. âItâs also the building block to our success,â Campbell said as she spoke into a camera that was recording her presentation for a YouTube video.