| Luxemburg-Casco High School | |
| Address: | 512 Center Dr |
| City: | Luxemburg |
| State: | Wisconsin |
| Zipcode: | 54217 |
| Country: | United States |
| Coordinates: | 44.5462°N -87.7014°W |
| Schooltype: | Public High School |
| Established: | 1968 |
| District: | Luxemburg-Casco School District |
| Principal: | Troy Haws |
| Faculty: | 41.75 (FTE) |
| Ratio: | 14.59 |
| Grades: | 9 through 12 |
| Enrollment: | 609 (2022-23)[1] |
| Athletics Conference: | North Eastern Conference |
| Mascot: | Spartans |
| Rival: | Denmark |
Luxemburg-Casco High School (known informally as L-C) is a public high school located in Luxemburg, Wisconsin, United States. It serves the greater Luxemburg-Casco area, and was founded in 1968 as a result of a merger between the school districts of Luxemburg and Casco.[2]
L-C's athletic teams are known as the Spartans, and compete in the North Eastern Conference. The Spartans have won twenty-three WIAA state championships, tied with Wisconsin Rapids' Lincoln High School for eighteenth most in WIAA history.[3]
| Basketball (girls) | 1988, 1994, 2004 | |
| Cross country (girls) | 1982, 1987, 1989, 1998, 2000 (Division 3) | |
| Softball | 2009, 2010 | |
| Volleyball (girls) | 2019, 2020, 2021 | |
| Wrestling | 1992, 1994, 1996, 1999, 2001–2003, 2005, 2006, 2012, 2013, 2018, 2023 |
From 2000 to 2019, high school enrollment declined 13.8%.[4]
Enrollment at Luxemburg–Casco High School, 2000–2019
In 1964, the Lake to Lake dairy coop held its annual meeting at Luxemburg High School. Protestors from the National Farmers Organization dumped milk from a milk truck on the school grounds.[5]