The district includes the northern part of Marion, Iowa, an area in Cedar Rapids, part of Robins and rural areas in the county.

The district operates twelve schools:[3] Voters in Linn County approved a 10-year School Infrastructure Local Option (SILO) Sales Tax on February 13, 2007.

In 2008, the Iowa Legislature passed SAVE legislation which extended the penny sales tax for schools to 2029 and created an average per student allocation for school districts across the state.

To date, SILO revenue has allowed the district to build the new Novak Elementary school, air condition five schools, construct a 6,000 seat multipurpose stadium, install additional high school parking, purchase property to relocate Transportation and Operations & Maintenance, relocate the baseball and softball fields to the Oak Ridge property and construct an indoor aquatics center.

From 2000 to 2017 Linn-Mar’s certified enrollment number grew at an average yearly rate of 2.24%.