North Texas Weekly
Guide to Denton County School Districts: What Families Need to Know
Jane A.
6/5/26
A complete guide to Denton County TX school districts — Lewisville ISD, Denton ISD, Argyle ISD, Sanger ISD, and more. Ratings, programs, and what families need to know.

A comprehensive guide to public school districts across Denton County, Texas — for families relocating, enrolling, or evaluating their options.
Denton County's school landscape is one of the most diverse in North Texas — spanning large suburban megadistricts serving Lewisville and Flower Mound to a university-influenced district in Denton and small, community-rooted rural districts in the northern county. For families choosing a home in Denton County, understanding the Denton County school districts is essential — and this guide covers every major option.
Lewisville ISD
Overview
Lewisville ISD is the largest school district in Denton County and one of the largest in North Texas. Despite its size, LISD has maintained a strong reputation for academic quality, fine arts, and athletic excellence.
Approximately 52,000+ students across 62 campuses
Serves Lewisville, Flower Mound, Highland Village, Coppell, and portions of Carrollton and The Colony
Multiple TEA A-rated campuses
Nationally recognized fine arts programs, particularly at Flower Mound High School and Marcus High School
Notable Features
Marcus High School (Flower Mound): Consistently ranked among the best high schools in Texas — strong AP, fine arts, and athletics
Flower Mound High School: Nationally recognized band and orchestra programs
Dual credit partnerships with NCTC and Collin College
Strong Career and Technical Education programs across multiple campuses
LISD's fine arts magnet programs draw students from across the district
Denton ISD
Overview
Denton ISD serves the city of Denton and surrounding communities, including portions of Corinth, Lake Dallas, and Shady Shores. The district is uniquely shaped by Denton's university community — UNT and TWU influence everything from student demographics to academic culture.
Approximately 32,000+ students with continued growth
Four comprehensive high schools serving distinct areas of the city
Strong fine arts culture rooted in the university arts community
Dual credit programs with UNT, TWU, and North Central Texas College
Notable Features
Denton High School: The original flagship campus with deep community roots and strong traditions
Ryan, Guyer, and Braswell High Schools: Newer campuses serving the city's growing residential base
UNT and TWU proximity creates unique dual credit and early college opportunities
Strong fine arts programming across all campuses — band, orchestra, choir, and theater
Argyle ISD
Overview
Argyle ISD is a smaller district serving the communities of Argyle, Bartonville, and surrounding areas in the western portion of Denton County. Despite its size, Argyle ISD consistently produces academic and athletic results that rival much larger neighboring districts.
Approximately 5,000+ students — smaller class sizes and community-oriented atmosphere
Argyle High School: Multiple UIL state championships in football and academic competition
Consistently high TEA accountability ratings
Strong dual credit and AP program participation rates relative to enrollment
What Makes Argyle ISD Stand Out
Small district cohesion — students and families often cite the tight-knit community as a key advantage
Eagle football program is one of the most decorated in Texas
Growing enrollment as west Denton County residential development accelerates
Sanger ISD
Overview
Sanger ISD serves the city of Sanger and surrounding rural communities in the northern portion of Denton County. It is a small, community-focused district that serves families seeking a rural school environment within commuting distance of the DFW metro.
Approximately 3,000+ students
Small-town atmosphere with community-supported athletics and academics
Growing enrollment as Sanger and nearby communities attract new residents
Close proximity to Lake Ray Roberts provides unique outdoor education opportunities
Lake Dallas ISD and Corinth Area
Lake Dallas ISD serves the communities of Lake Dallas, Shady Shores, and portions of Corinth. It is a mid-size district with strong community identity and improving academic performance metrics.
Approximately 3,500+ students
Strong local athletics and fine arts traditions
Growing community partnership with NCTC for dual credit access
Choosing a District: What Families Should Know
District boundaries do not always align with city limits — verify your specific address at the district's enrollment office
Lewisville ISD serves most of Flower Mound — families in Flower Mound are often surprised to learn their school is LISD, not a Flower Mound district
Denton ISD's university proximity is a meaningful advantage for families interested in dual enrollment and early college pathways
Argyle and Sanger offer genuinely rural school experiences that contrast significantly with the suburban megadistricts
Visit campuses in person before deciding — TEA ratings tell part of the story but not all of it
Additional Resources
Helpful Links
Lewisville ISD (lisd.net)
Denton ISD (dentonisd.org)
Argyle ISD (argyleisd.com)
Sanger ISD (sangerisd.net)
Lake Dallas ISD (ldisd.net)
Texas Education Agency — School Ratings (tea.texas.gov)
Texas Tribune School District Explorer (texastribune.org/education)
North Central Texas College Dual Credit (nctc.edu)
NorthTexasWeekly.com — Denton County Education Guide
For more school district and education coverage across Denton County, visit NorthTexasWeekly.com — your local guide to living and thriving in North Texas.