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Rio Grande City Grulla ISD
Grulla High School

Rio Grande City Grulla ISD

Grulla High School

Rio Grande City, Texas

761 students

High School, Grades 9–12

(956)370-4294

761

Students

13:1

S:T Ratio

School Snapshot
Key metrics at a glance
Avg SAT Score

862

C+

out of 1600
Below Avg
AP Courses

13

A-

courses offered
Good
AP Enrollment

24%

C

of students
Good
Student-Teacher Ratio

13:1

A-

students per teacher
Good
This Week at Grulla – April 19, 2026

107 students practicing on Varsity Tutors

SAT Prep

1

A

B

C

D

2

A

B

C

D

3

A

B

C

D

4

A

B

C

D

5

A

B

C

D

1520

0

students

Start practicing →
ACT Prep

36

ENG

MATH

READ

SCI

0

students

Start practicing →
Math

0

students

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English

0

students

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Science

0

students

Start practicing →
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Academic Grades

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9
Grade
10
Grade
11
Grade
12
Grade
Academic Resources

Typical courses and practice resources for students at Grulla High School

Biology
9

Cell biology, genetics, evolution, and ecology

AP Biology
AP

College-level biology with lab component

Chemistry
9

Atomic structure, reactions, and stoichiometry

AP Chemistry
AP

College-level chemistry with lab component

Physics
9

Mechanics, waves, electricity, and magnetism

AP Physics 1
AP

Algebra-based mechanics and waves

Environmental Science
9

Ecosystems, human impact, and sustainability

AP Environmental Science
AP

College-level environmental science

World History
9

Global civilizations from ancient to modern times

AP World History
AP

College-level world history analysis

U.S. History
9

American history from colonization to present

AP U.S. History
AP

College-level American history

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School Details
Address

6884 E Hwy 83, Rio Grande City, TX 78582

Phone

(956)370-4294

District

Rio Grande City Grulla ISD

Academic Calendar
2025-2026

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