Fillmore Unified School District Fillmore Unified School District is located in the city of Fillmore which was founded over one hundred years ago and is currently home to approximately 15,870 residents. It is set in the middle of citrus and avocado groves of inland Ventura County and was founded in 1888 and incorporated in 1914. The district is comprised of four elementary schools, one middle school, one independent study school, one comprehensive high school, one alternative high school, and an adult education program. In 2021-22, Fillmore Unified School District had a total enrollment of 3,672 students including 14.9% in special education, 24.5 % English Learners, 0.3% were identified as foster youth, 4.1% were identified as homeless, and 76.4 % economically disadvantaged. Fillmore is known as the "last best small city" and the Fillmore Unified School District serves as the hub for activities and entertainment drawing many crowds for athletic, academic, and artistic events throughout the week.