Harlingen High School - South - Harlingen, Texas

Harlingen High School - South

Harlingen CISD

Harlingen High School - South

Harlingen, Texas

1,571 students

High School, Grades 9–12

(956)427-3800 School Website

1,571

Students

14.2:1

S:T Ratio

School Snapshot

Key metrics at a glance

Avg SAT Score

1,028

out of 1600

Average

Avg ACT Score

B-

out of 36

Average

AP Courses

A+

courses offered

Excellent

AP Enrollment

30%

C+

of students

Good

Student-Teacher Ratio

14:1

B+

students per teacher

Good

This Week at Harlingen High School - South – April 8, 2026

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Academic Grades

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Academic Resources

Typical courses and practice resources for students at Harlingen High School - South

Biology

Cell biology, genetics, evolution, and ecology

AP Biology

College-level biology with lab component

Chemistry

Atomic structure, reactions, and stoichiometry

AP Chemistry

College-level chemistry with lab component

Physics

Mechanics, waves, electricity, and magnetism

AP Physics 1

Algebra-based mechanics and waves

Environmental Science

Ecosystems, human impact, and sustainability

AP Environmental Science

College-level environmental science

World History

Global civilizations from ancient to modern times

AP World History

College-level world history analysis

U.S. History

American history from colonization to present

AP U.S. History

College-level American history

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School Details

Address

1701 Dixieland Rd, Harlingen, TX 78552

Phone

(956)427-3800

Website

Visit Website

District

Harlingen CISD

Academic Calendar

2025-2026

Important dates, holidays, and school events

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