Marble Falls Independent School District ("MFISD") is a school district based in the city of Marble Falls, in Burnet County, Texas, USA which is located in the heart of the Highland Lakes region of the Texas Hill Country. The district encompasses 268 square miles (690 km2) and serves the communities of Marble Falls, Meadowlakes, Granite Shoals, Highland Haven, Cottonwood Shores, Smithwick, Spicewood, and portions of Horseshoe Bay. MFISD has a growing enrollment of approximately 4,000 students.
In 2017, the school district was rated "Met Standard" by the Texas Education Agency. In that year, all schools in the district were rated as "Met Standard" or as "Met Alternative Standard."
The district has four PK-5 elementary schools: