Filing will open Tuesday, Dec. 18, for municipal and school-board seats that are up for election Tuesday, April 8.

Filing will begin at 8 a.m. Tuesday, Dec. 18, and continue through 5 p.m. Tuesday, Jan. 22.

Mayoral posts are up for election in Crestwood and Sunset Hills while aldermanic seats are up for election in Green Park and Sunset Hills.

Three seats on both the Lindbergh and Mehlville boards of education also are up for election April 8.

Crestwood

The mayoral post held by Roy Robinson is up for election.

Robinson, a former alderman, was elected mayor in 2005. The seat carries a three-year term.

Green Park

Aldermanic seats are up in each of the city’s three wards. In Ward 1, the seat held by Judy Betlach, who resigned last week, is up for election. Aldermanic seats currently held by Jackie Wilson in Ward 2 and Fred Baras in Ward 3 are up for election.

The seats carry two-year terms.

Sunset Hills

The mayoral post held by John Hunzeker is up for election as well as aldermanic seats held by Frank Hardy of Ward 1, Thomas Hrastich of Ward 2, Lynn Flowers of Ward 3 and Frank Gregory of Ward 4.

All of Sunset Hills’ seats carry two-year terms.

Lindbergh

Board of Education seats held by President Mark Rudoff, Treasurer Katie Wesselschmidt and Bob Foerstel are up for election.

The seats carry three-year terms.

Mehlville

Board of Education seats held by Vice President Karl Frank Jr., Ken Leach and Cindy Christopher are up for election.

The seats carry three-year terms.

Under state law, if the number of school-board candidates who file is equal to the number of positions to be filled by the election, no election will be conducted.

However, if the number of candidates filing exceeds the number of positions, the election will take place April 8.

STLCC

The Subdistrict 4 seat on the St. Louis Community College Board of Trustees currently held by Michael Rohrbacker also is up for election April 8.

Since 1996, Rohrbacker has served as the representatative for Subdistrict 4, which includes the Parkway, Kirkwood, Lindbergh, Mehlville, Rockwood, Valley Park and Meramec Valley school districts and parts of Franklin and Jefferson counties.