publichighGrade 9-12

Hillsdale High

3115 Del Monte St., San Mateo, CA 94403, United States

+1 (650) 558-2699

http://hhs.smuhsd.org

N/A

Overall Rating

Location

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Hillsdale High Overview

About This School

Hillsdale High is a public high in San Mateo, California, serving 1,585 students in grades Grade 9-12. Academic results show that students demonstrate strong performance with 84% proficiency in ELA, 76% in math, and 81% in science. The school maintains a student-teacher ratio of 19:1 with 81 teachers on staff, while the average teacher salary is $137,347. Guidance services are provided through a ratio of 417 students per counselor. Students at the school are 55% male and 45% female. The demographic makeup includes 38% Hispanic, 31% White, 20% Asian, 9% Two or More Races, and 1% Black.

1,585

Total Students

Grade 9-12

19:1

Student-Teacher Ratio

81 full-time teachers

Academic Performance

Percentage of students who met or exceeded state standards

English Language Arts0%

Mathematics0%

Science0%

School Information

School Type

public

Grade Levels

Grade 9-12

County

San Mateo County

Students per Counselor

417:1

Hillsdale High Academics & Test Scores

Test Scores

State assessment results showing percentage of students proficient or above

N/A

English Language Arts

N/A

Mathematics

N/A

Science

Class Information

19:1

Student-Teacher Ratio

City Avg: 18.5:1

State Avg: 20.5:1

417

Students per Counselor

Hillsdale High Teachers & Staff

Teaching Staff

Total Full-Time Teachers

Average Teacher Salary

$137,347

City Avg: $117,745

State Avg: $106,740

Based on state average salaries for full-time teachers

Support Staff

Student-Teacher Ratio19:1

Students per Counselor417:1

Hillsdale High Student Demographics

Student Body

54.57%

Male

45.17%

Female

Total Enrollment: 1,585 students

Racial & Ethnic Diversity

White30.85%

Hispanic37.67%

Asian19.75%

Black1.01%

Two or More Races9.34%

Native American0.13%

Hillsdale High Reviews

Frequently Asked Questions About Hillsdale High

Q: What is Hillsdale High?

A: Hillsdale High is a high public located in San Mateo.

Q: How many students attend Hillsdale High?

A: Hillsdale High has approximately 1,585 students enrolled.

Q: What is the student-teacher ratio at Hillsdale High?

A: The student-teacher ratio at Hillsdale High is 19:1.

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Detailed Information about Hillsdale High

Data sourced from NCES, CCD, and state education agencies. Last verified: May 2026. See methodology →

Schoolary Research Team

Verified with NCES & state education agency data

About Hillsdale High - San Mateo, CA

Quick Facts about Hillsdale High
School Name	Hillsdale High
School Type	public
Grade Levels	Grade 9-12
Location	3115 Del Monte St., San Mateo, CA 94403, San Mateo, CA
County	San Mateo County
Phone	+1 (650) 558-2699
Total Students	1,585
Student-Teacher Ratio	19:1
Full-Time Teachers	81
Rating	/10
ELA Proficiency	%
Math Proficiency	%
Science Proficiency	%

Frequently Asked Questions about Hillsdale High

What is Hillsdale High?

Hillsdale High is a high public located in San Mateo.

How many students attend Hillsdale High?

Hillsdale High has approximately 1,585 students enrolled.

What is the student-teacher ratio at Hillsdale High?

The student-teacher ratio at Hillsdale High is 19:1.

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