The Marshall/Waterloo boys maintained their lead and the Sun Prairie girls grabbed the lead after Monday’s ninth week of Wisconsin District 4 High School Bowling. For boys, Marshall/Waterloo has 78 points, with Sun Prairie second at 66.5. For girls, Sun Prairie has 48 points, with East/Marshall second at 46.5 points. Twelve boys teams and nine girls teams — there were 13 and eight last year — are competing this year. With the odd number of girls teams, one team has a bye...