High school tennis championships are being decided today in Springfield. The Class 4A semi-finals pit Kirkwood against DeSmet, and Columbia Hickman against Rockhurst. The 1A to 3A semis have John Burroughs playing Mary Institute Country Day and Logan-Rogersville taking on Pembroke Hill. The finals are scheduled for today also.The high school baseball post season is winding down as well. Sectional championships will be played today all across Missouri, with state quarterfinals scheduled for Saturday. The championships will be held next week in Columbia.