Statewide ISD Governance & Regional Service Center Explorer

Texas Independent School Districts (ISD) Directory & Accountability Matrix

Comprehensive directory and financial accountability guide for all 1,200+ Texas Independent School Districts. Benchmark campus attendance zones, Board of Trustees governance, M&O tax compression formulas, and regional ESC support tiers.

Cmd+K
School Districts ESC Region 10 • Dallas Co.
TEA ACCOUNTABILITY Grade B

Irving Independent School District

Feeder Pathways: MacArthur High, Nimitz High, Irving High feeder zones

STUDENT ENROLLMENT31,800Total Verified
STUDENT-TEACHER RATIO14.8 : 12,148 FTE Teachers
2026–2027 START DATEAugust 12, 2026DOI Calendar Approved
OPERATIONAL MINUTES76,125TEC §25.081 Compliant
Thanksgiving: Nov 23 – Nov 27, 2026
Winter Break: Dec 21, 2026 – Jan 5, 2027
Spring Break: March 15 – March 19, 2027
Texas Independent School District Board of Trustees public deliberation boardroom
Official Governance Photography

Texas Public School Scale

Texas ISDs administer over 9,000 individual campuses across 254 counties, operating under strict Texas Education Code and TEA financial guidelines.

Active ISDs
1,200+
ESC Regions
20 Centers
Golden Pennies
Up to 8¢
HB 3 Safety
Armed Officer
Corporate Status: Independent Subdivision Ch. 11 TEC

What is an Independent School District (ISD) in Texas and How are Districts Governed?

Texas Independent School Districts (ISDs) are autonomous local government subdivisions operating under locally elected boards of trustees across 20 Education Service Center (ESC) regions. With over 1,200 public school systems ranging from single-campus rural districts to urban systems serving 180,000+ students, ISDs administer campus budgets, attendance zones, and STAAR testing.

The architecture of Texas public education is rooted in Article VII of the Texas Constitution, which establishes the duty of the Legislature to support and maintain an efficient system of public free schools. Under Title 2 of the Texas Education Code, the Legislature established the Independent School District structure, granting local communities direct sovereign control over public schools through an elected seven-member Board of Trustees.

Unlike municipal city councils or county commissioners courts, a Texas ISD board exercises single-purpose constitutional jurisdiction. Trustees serve staggered three- or four-year terms without compensation. Their responsibilities include adopting the annual tax rate, approving operating budgets, appointing and evaluating the superintendent of schools, approving feeder pattern attendance boundaries, and adopting district-wide instructional policies in compliance with Texas Education Agency mandates.

To explore comprehensive performance metrics across both traditional districts and alternative options, visit our Texas schools directory and TEA accountability hub. For families evaluating public school choice beyond geographic boundaries, review our directory of Texas charter school networks and open-enrollment academies.

Interactive Texas ISD Directory & Regional Service Center (ESC) Navigator

Filter and compare student enrollment figures, certified instructional personnel, accountability ratings, and regional service center affiliations across Texas public school districts:

COMPARATIVE ACCOUNTABILITY

Texas Public & Charter Benchmark Matrix

Side-by-side TEA ratings & operational parameters
Educational Entity Irving ISD School Districts Houston ISD School Districts CAN Academy Charter Academies Katy ISD School Districts Frisco ISD School Districts
TEA Accountability Rating Grade B Grade B Grade B (AEA) Grade A Grade A
Domain 1 Student Achievement 83 / 100 84 / 100 81 / 100 93 / 100 94 / 100
STAAR Approaches / Meets / Masters 76% / 48% / 21% 78% / 52% / 24% 72% / 44% / 18% 88% / 65% / 36% 91% / 71% / 42%
Student-Teacher Ratio 14.8 : 1 16.2 : 1 16.0 : 1 15.3 : 1 14.9 : 1
Total Student Enrollment 31,800 189,900 8,400 94,500 67,200
2026–2027 Start Date August 12, 2026 August 12, 2026 August 10, 2026 August 12, 2026 August 12, 2026
Annual Instructional Minutes 76,125 (≥ 75.6k min) 76,995 (≥ 75.6k min) 76,560 (≥ 75.6k min) 76,125 (≥ 75.6k min) 76,125 (≥ 75.6k min)
Spring Break Schedule March 15 – March 19, 2027 March 15 – March 19, 2027 March 15 – March 19, 2027 March 8 – March 12, 2027 March 15 – March 19, 2027

Largest Texas School Districts: Houston, Dallas, Cypress-Fairbanks, Katy & Irving ISD

Texas contains some of the largest and most complex educational systems in North America. Metropolitan districts serve highly diverse student populations with specialized magnet programs, International Baccalaureate tracks, and extensive Career and Technical Education institutes:

Houston ISD (ESC Region 4)

The largest district in Texas and eighth-largest in the United States, Houston ISD educates over 180,000 students across 270+ campuses. Currently operating under state intervention with an appointed Board of Managers, HISD administers specialized dual-language immersion and transformation campuses.

Enrollment: 180,000+ • 274 Campuses

Dallas ISD (ESC Region 10)

Serving more than 140,000 students across Dallas County, Dallas ISD is nationally recognized for its pioneering Teacher Excellence Initiative, comprehensive choice schools network, and early collegiate high school pathways.

Enrollment: 140,000+ • 230 Campuses

Cypress-Fairbanks ISD & Katy ISD

Anchoring northwest and west Houston, Cy-Fair ISD (118,000+ students) and Katy ISD (93,000+ students) represent two of the largest and highest-performing suburban districts in the nation, renowned for state championship athletics, fine arts, and top TEA academic distinction designations.

Suburban Districts • UIL Class 6A

Irving ISD (ESC Region 10)

Centrally situated in the Dallas-Fort Worth metroplex, Irving ISD serves 31,000+ students across 38 campuses. Irving is celebrated for its signature career academies, comprehensive high schools (MacArthur, Nimitz, Irving High), and Singley Academy career pathways.

DFW Hub • 38 Campuses

Each district sets its own bell schedules, academic terms, and holiday schedules under local Board policy. You can verify specific start dates, Thanksgiving breaks, and semester exam periods in our comprehensive guide to district academic calendars and bell schedules.

TEXAS SCHOOL FINANCE FORMULA Texas Tax Code Chapter 26 & Texas Education Code §48.202

Texas ISD Dual-Tier Property Tax Rate Derivation

R_total = R_MO + R_IS = (R_MCR + R_golden + R_copper) + R_IS
Notation: Total Tax Rate = Maintenance & Operations (Compressed Rate + Golden Pennies + Copper Pennies) + Interest & Sinking Debt Service.

Variable Definition & Units

R_total
Total Adopted Tax Rate [per 100 valuation]

Combined ad valorem property tax rate levied by the local Board of Trustees

R_MO
Maintenance & Operations Rate [per 100 valuation]

Operational rate subject to state compression and maximum compressed rate caps

R_golden
Equalized Golden Pennies [cents]

Up to 8 cents of tax effort exempt from Robin Hood recapture under Texas Education Code §48.202

R_IS
Interest & Sinking Debt Rate [per 100 valuation]

Voter-authorized debt service rate capped at 0.50 per 100 dollars valuation at time of issuance

Calibrated Example:

A district with a Maximum Compressed Rate (MCR) of 0.6850 per 100 dollars adds 8 Golden Pennies (0.0800) for a Tier 1 M&O rate of 0.7650. Adding an I&S bond service rate of 0.3400 yields a Total Adopted Tax Rate of 1.1050 per 100 dollars property valuation.

District Governance: Board of Trustees, M&O Tax Compression & Golden Pennies

Financing Texas public schools involves a complex partnership between local property tax revenues and state foundation school program aid under House Bill 3 passed by the 86th Legislature. HB 3 instituted mandatory state property tax compression, requiring school districts to automatically lower their Maintenance & Operations tax rates as local property values appreciate statewide.

To maintain fiscal flexibility, the Legislature established Golden Pennies—the first eight cents of tax effort that an ISD may levy above its compressed rate. Crucially, under TEC §48.202, Golden Pennies are not subject to state recapture wealth equalization. Every single cent of Golden Penny revenue collected remains entirely within the local school district. If a school board seeks to levy additional Copper Pennies, it must submit the proposal to voters through a formal Voter-Approval Tax Rate Election.

Additionally, under recent legislative updates, all Texas school districts must satisfy enhanced safety mandates, including stationing at least one armed security officer or certified law enforcement officer at every instructional campus during school hours.

Frequently Asked Questions About Texas Independent School Districts

01 Why are Texas school districts called 'Independent'?

Texas school districts are designated 'Independent' because they are constitutionally and legally decoupled from municipal and county governments. They operate as distinct political subdivisions with their own taxing boundaries, independent elected boards, and direct accountability to the State of Texas.

02 What are Education Service Centers (ESCs) in Texas?

The State of Texas is organized into 20 regional Education Service Centers (ESCs) established by the Legislature to provide technical assistance, professional development, purchasing cooperatives, and curriculum support to local ISDs and charter schools within their geographic zone.

03 What is the difference between M&O and I&S tax rates in Texas?

A Texas school district's total property tax rate consists of two distinct components: Maintenance & Operations (M&O), which funds daily operating expenses such as teacher salaries, utilities, and classroom supplies; and Interest & Sinking (I&S), which is strictly restricted to paying down voter-approved capital bond debt used for building new schools and renovating facilities.

04 What are 'Golden Pennies' in Texas school finance?

Golden Pennies are the first eight cents of a school district's discretionary tax rate above the state-mandated maximum compressed tax rate. Golden Pennies are 100% equalized by the state and are completely exempt from statutory recapture ('Robin Hood'), meaning the district keeps every dollar collected locally without state clawbacks.

05 How do campus attendance boundaries work in an ISD?

Each Texas ISD Board of Trustees establishes geographic attendance zones determining which elementary, middle, and high schools students attend based on their primary residence. Many districts offer open intra-district transfers or tuition-free inter-district transfers depending on campus grade-level capacity.