Math Tutor in San Diego & Online – Raul Gutierrez, PhD

Clear, patient math instruction online and in San Diego for all ages — Algebra, Geometry, Trigonometry, Calculus, and exam prep.

Math help that actually feels clear

I focus on understanding, not memorizing. Whether you’re catching up, keeping up, or pushing ahead, we’ll build confidence step-by-step.

I specialize in online math tutoring for middle school, high school, college, and adult learners. Sessions are conducted live, allowing us to work through problems step-by-step in algebra, geometry, trigonometry, calculus, SAT math, and GRE quantitative reasoning. Based in San Diego, I work with students across the country.

  • Middle school, high school, college
  • SAT / GRE prep
  • Online
Quick info

Subjects: Algebra • Geometry • Trig • Calculus

Test prep: SAT • GRE • ASVAB • DAT • and more

Format: Online

Frequently Asked Questions

Quick answers about math tutoring, subjects, and how to get started.

What subjects do you tutor?

I tutor algebra, geometry, trigonometry, pre-calculus, and calculus, as well as math exam prep for the SAT, GRE, ASVAB, DAT, and other tests.

Do you offer online tutoring?

Yes. Most sessions are conducted online using a shared whiteboard so we can work through problems step-by-step.

Who do you work with?

I work with middle school, high school, and college students, as well as adults preparing for standardized exams or returning to math.

How do I get started?

The easiest way to begin is to contact me through the site and describe the student’s class and goals. I’ll recommend the best next step.

What students and parents say

A recent note from a student/parent — more testimonials coming soon.

Raul has been an incredible math tutor for my son. Before working with him, my son struggled with math, but thanks to Raul’s patient and effective teaching, he has not only improved but is now excelling. He consistently earns A’s on his tests and progress reports. Raul’s guidance has even inspired my son to take on new challenges he’s now excited to study Physics just like Raul! We are so grateful for Raul’s support and expertise; he has made a huge positive impact on my son’s confidence and new found love for learning math.

— Amanda (Parent of Current Student: High School)

Support my tutoring work

If you’d like to help support free resources and discounted group sessions, donations are appreciated — totally optional.