SchoolSurf
All districts

SOUTH TEXAS ISD

MERCEDES, CAMERON COUNTY, TXSuperintendent: DR MARCO ANTONIO LARA JR

TEA Rating

A · 94

Enrollment

4,741

Avg Salary

$75,593

Open Jobs

0

2024–2025 TEA district staff

Salary by Experience

Average base salary by years of experience. Excludes stipends and benefits.

Teachers

ExperienceTeachersAvg salary
Beginning7$62,114
1–5 years64$63,978
6–10 years71$67,901
11–20 years123$72,436
21–30 years54$76,353
Over 30 years11$75,272

Some districts increased salaries for 2025–26. For the current pay scale, see the district’s website.

Support & Admin

RoleEmployeesAvg Salary
School Counselor23$82,271
School Nurse6$78,258
Librarian5$83,271
Business Services3$74,743
Principal6$130,139
Superintendent1$293,200

Teacher Incentive Allotment · TIA

TIA Participation

The Teacher Incentive Allotment (TIA) provides additional funding to reward and retain top-performing teachers.

Participation status

TIA Active
Learn about TIA
LevelTeachers designated% designatedAvg payout
Recognized226.7%$6,525
Exemplary206.1%$12,988
Master92.7%$23,234

51 of 329 teachers TIA-designated (15.5%) in 2024-25

TEA staffing · 2024–25

District staffing

Teacher workforce metrics from TEA PEIMS.

Student / Teacher Ratio

14.1 : 1

Teacher turnover

16.1%

State avg. 22.7%

Teachers with a college degree

96.7%

Spring 2026 STAAR

STAAR performance

Grade-level and end-of-course results by performance level.

Mathematics

GradeApproaches+Meets+Masters
693%70%38%
891%71%31%

Reading / ELA

GradeApproaches+Meets+Masters
692%80%57%
794%84%64%
895%82%51%

Social Studies

GradeApproaches+Meets+Masters
885%59%37%

End-of-Course exams

SubjectApproaches+Meets+Masters
Algebra I93%69%44%
Biology99%89%61%
English I91%81%31%
English II91%83%20%
U.S. History98%86%49%

Hiring now

Open positions

No open positions listed for this district yet.