Harlingen High School

Harlingen CISD

Harlingen, Texas

1,942 students

High School, Grades 9–12

(956)427-3600 School Website

1,942

Students

14.3:1

S:T Ratio

School Snapshot

Key metrics at a glance

Avg SAT Score

1,020

out of 1600

Average

Avg ACT Score

B-

out of 36

Average

AP Courses

courses offered

Excellent

AP Enrollment

25%

of students

Good

Student-Teacher Ratio

14:1

B+

students per teacher

Good

This Week at Harlingen – April 8, 2026

252 students practicing on Varsity Tutors

SAT Prep

1520

students

Start practicing →

ACT Prep

ENG

MATH

READ

SCI

students

Start practicing →

Math

students

Start practicing →

English

students

Start practicing →

Science

students

Start practicing →

Explore practice resources for Harlingen students

Academic Grades

Select a grade level to explore courses and resources

Academic Resources

Typical courses and practice resources for students at Harlingen High School

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

Varsity Tutors

Unlock Academic Success

Personalized learning support for Harlingen High School learners

SAT Prep

Practice tests, flashcards, and AI-powered study tools

ACT Prep

Master all four sections with targeted practice

Study Coach

Get instant help with homework and practice problems 24/7

1:1 Tutoring

Match with expert tutors in Harlingen

Live Classes

Join interactive group sessions with expert instructors

Practice Hub

Thousands of flashcards and learning resources

School Details

Address

1201 E Marshall Ave, Harlingen, TX 78550

Phone

(956)427-3600

Website

Visit Website

District

Harlingen CISD

Academic Calendar

2025-2026

Important dates, holidays, and school events

Need Academic Help?

Get matched with expert tutors for any subject

Find a Tutor

Other Schools in District

Harlingen High School - South

Harlingen High School