T. Tan
My daughter absolutely loves going to Mathnasium! The staff is incredibly supportive and creates a welcoming e...
See more reviews hereOur Results
94%
Math Skills
of parents report an improvement in their child’s math skills and understanding.
93%
Attitude
of parents report improved attitude toward math after attending Mathnasium.
90%
Success
of students saw an improvement in their school grades.
Our Results
The Proof Is In The Numbers
Math Skills
of parents report an improvement in their child’s math skills and understanding.
Attitude
of parents report improved attitude toward math after attending Mathnasium.
Success
of students saw an improvement in their school grades.
At Mathnasium of Diamond Bar, our specially trained tutors use the Mathnasium Method™ to help students build a deep understanding of math. This proprietary teaching approach blends personalized learning plans with mental, verbal, visual, tactile, and written techniques, ensuring instruction is tailored to each student’s unique needs and learning style.
The Mathnasium Method™ is designed to create a solid foundation for math excellence, helping students truly understand—and even enjoy—math.
Our caring, specially trained math tutors in Diamond Bar provide face-to-face instruction in a supportive and engaging group environment. We work with K-12 students of all skill levels, both in-center and online, to help them reach their full math potential.
Learn how Mathnasium tutors helped Malachi gain confidence in math.
At Mathnasium of Diamond Bar, students receive personalized learning plans designed around a detailed assessment of their skill level, challenges, and academic goals.
This customized approach helps students learn at their own pace while strengthening critical thinking, problem-solving skills, and the confidence needed to succeed in math.
Discover how Mathnasium helped Maddie transform her math skills to achieve more confidence in the subject. Initially struggling with the lowest math grades in her class, Maddie worked with our tutors using a personalized approach tailored to her specific needs.
Math Tutors Near You
Mathnasium’s specially trained math tutors work with students across the 91709, 91748, 91765, 91766, and 91789 zip codes. We proudly serve families throughout Diamond Bar and nearby areas, including:
Specially Trained and Caring Team
Raven Saulpaugh
Center Director
Raven graduated from Cal Poly Pomona with a Bachelor’s Degree in Pure Mathematics and a Teaching Option. After spending a year in a credential program, she discovered her passion for Mathnasium’s individualized learning model and chose to build her career around it. Since starting as an instructor in 2016, Raven has become a Mathnasium expert and a dedicated advocate for student growth.
She’s passionate about helping students not only understand math, but enjoy it. In her free time, Raven loves swing dancing, hiking with her dog, snowboarding, and watching her friends play video games.
Nick van Vliet
Operations Director
Nick earned his Bachelor’s Degree in Business Finance from Cal State Northridge and joined Mathnasium in 2014 after being inspired by its impact on students. He served as Center Director in Irvine for two years before taking on the role of Operations Director, now overseeing four centers including Diamond Bar.
Nick is committed to fostering an engaging and encouraging learning environment where students can build confidence, challenge themselves, and enjoy math. Outside of Mathnasium, Nick enjoys sports, snowboarding, BBQs, reading, and competing in just about any game you can think of.
Sherin Yueksel
District Manager
Sherin graduated from the University of California, Berkeley, with a Bachelor's Degree in Economics. She first started at Mathnasium as an instructor in 2021. She was quickly promoted to Assistant Director and even helped establish Mathnasium of Valencia. Sherin has pursued a career at Mathnasium because she wants to make an impact in her community and she wants to help as many students as possible. She is passionate about creating a welcoming environment where every student feels comfortable, confident, and can strive for excellence. In her free time, she loves spending time with her family, shopping, and making new recipes.
Angela Weng
Assistant Center Director
Angela recently graduated from Diamond Bar High School, where she completed AP Calculus AB and developed a strong interest in math. She plans to pursue a degree in Biology and has always enjoyed working with students.
Angela brings experience from tutoring programs and summer volunteer work, where she helped students build foundational math skills. She looks forward to continuing that journey at Mathnasium. When she’s not working, Angela enjoys traveling, visiting cafes, and spending quality time with friends.
Kris Phan
Instructor
Kris is currently enrolled at Chino Hills High School as a senior, where he has taken Trigonometry / Pre Calculus, and is currently taking Calculus AB. He loves tutoring and teaching to help children improve their skills, especially math! Kris also has prior experience tutoring students at Wickman Elementary School in varying grade levels, which led him to find a strong passion for teaching! Kris is also currently striving to become a teacher, to get a degree in education, and hopes to influence all the kids that he tutors so that they can strive in their lives as well. In his free time, he enjoys playing video games, going out with friends, and occasionally watching anime.
Ryan Golonka
Instructor
Ryan is currently at Cal Poly Pomona studying for a bachelor's degree in Applied Mathematics. Ryan has always been interested in math because he found that math was everywhere in some way shape or form. Ryan knows how to solve a Rubik’s cube and also can play the double bass, just not as well anymore. Currently in college Ryan is studying for the Putnam competition in December. In his free time, Ryan likes to play video games, watch very long videos, speedrun, listening to musicals, and meeting up with friends when they have the time.
Yongchong Yu
Instructor
Yongchong has an Associate’s Degree in Programming from Mt. SAC and is pursuing a Bachelor's Degree. He has been a tutor in college for four years and really enjoys helping students. Basic math is logical training and the foundation of analysis, and everyone can master it if they put their mind to it! Yongchong was a CSU Long Beach Archery team member and archery is the sport he used to de-stress. He also builds models and airbrushes them in his spare time!
Mathnasium of Diamond Bar's personalized programs are designed to support students at every stage of their math journey.
Young learners in preschool and kindergarten explore early math through interactive, playful instruction designed to develop number sense, spark curiosity, and establish a solid foundation.
We help grades 1–5 students master fundamental skills—addition, subtraction, multiplication, division, fractions, decimals, and percents—while building understanding and confidence needed to succeed in the classroom.
Our tutors prepare middle school students for success in classes like Prealgebra and Geometry using personalized plans that make complex ideas understandable. We help students feel prepared and capable.
High schoolers receive personalized support for rigorous courses, including Algebra, Trigonometry, and Precalculus, along with focused preparation for PSAT®, SAT®, ACT®, and other college admissions math assessments.
Students can take 3 easy steps to enroll at Mathnasium.
All students begin their Mathnasium journey with a diagnostic assessment that pinpoints what they already know and what they still need to learn.
FAQ
Mathnasium of Diamond Bar is located at 2020 S. Brea Canyon Rd., #A3, Diamond Bar, CA 91765, on the corner of Pathfinder and Brea Canyon Road, next to International Deli and across the freeway from Diamond Bar High School.
We proudly serve students and families from Diamond Bar and nearby communities, including Walnut Valley Unified School District. Local schools we support include:
South Pointe Middle School
Castle Rock Elementary School
Evergreen Elementary School
Walnut Elementary School
Maple Hill Elementary School
Chaparral Middle School
Quail Summit Elementary School
Pantera Elementary School
Diamond Bar High School
Yes, Mathnasium of Diamond Bar offers online tutoring via our virtual classroom, Mathnasium@Home.
Students who choose to attend online receive live, face-to-face instruction in a fun and supportive group environment, guided by our same caring tutors in Diamond Bar whether they attend online or in person.
No, whether attending online or in-center, all our students receive the same quality of live face-to-face instruction.
Online students follow the same personalized learning plans and receive the same caring support from our specially trained tutors as their peers who attend Mathnasium in person.
Mathnasium of Diamond Bar’s tutors work with K–12 students of all skill levels to help them master any math class or topic, including early childhood math, Algebra, and Geometry.
We follow learning plans that are tailored to each student’s unique learning needs and style, so they can receive focused instruction and make meaningful progress toward their goals.
Mathnasium of Diamond Bar provides premium value math tutoring by combining an exceptional instructional experience with an efficient structure that keeps costs manageable.
Our program features a flat monthly enrollment fee, and students typically attend 2–3 times per week. This consistency helps students stay motivated and make meaningful academic progress.
For enrollment details, contact us at [email protected].
There is no difference! Membership pricing is the same for all students, whether they choose to attend sessions online, in person, or use a hybrid approach.
A diagnostic assessment helps us understand each student’s strengths, skill gaps, and learning goals. This information allows us to create a personalized learning plan that supports their success and growth in math.
Rather than following a fixed curriculum, Mathnasium’s specially trained tutors in Diamond Bar use the Mathnasium Method™, a proprietary approach that combines structured, customized learning plans with proven instructional strategies.
This helps students truly understand how math works, build foundational knowledge and skills, and develop lasting confidence in the subject.
We support students of all skill levels, whether they are looking to catch up, keep up, or get ahead on their math journey.
Advanced students benefit from enrichment programs that challenge their thinking and help them move beyond grade-level content, supported by individualized instruction tailored to their goals.
Absolutely. Our tutors work with K–12 students from all educational settings, including students who are homeschooled or attending public and private schools in and around Diamond Bar.
Yes! Our tutors at Mathnasium of Diamond Bar allocate time during sessions to help students with their math homework and ensure they understand what they’re working on.
No. Learning takes place entirely in our center (or online) under the guidance of our tutors. We focus on helping students make measurable progress without adding extra homework to their plates.
Yes, Mathnasium of Diamond Bar helps prepare K–12 students in Diamond Bar for standardized math tests and school assessments, including the ACT®, SAT®, and state exams. Our test prep is tailored to each student’s needs and includes personalized learning plans and targeted practice to help them perform with confidence.
2020 S. Brea Canyon Rd., #A3
Diamond Bar, CA 91765
| Call: | (909) 860-3781 |
| Email: | [email protected] |
Mon - Thu
2:00PM - 7:00PM
Sat
11:00AM - 3:00PM
Mon - Thu
12:00PM - 7:00PM
Sat
11:00AM - 3:00PM
| Mon - Thu: | 2:00PM - 7:00PM |
| Sat: | 11:00AM - 3:00PM |
| Mon - Thu: | 12:00PM - 7:00PM |
| Sat: | 11:00AM - 3:00PM |
(909) 860-3781
