K. CN
Had both my kids in Mathnasium before high school and it was the best decision. They were getting an A in math...
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 Lake Forest, our tutors use the Mathnasium Method™, a proprietary teaching approach that helps students build strong foundations for math success.
Our approach combines personalized learning plans with proven instructional techniques that meet each student where they are on their math journey, filling in knowledge gaps, strengthening skills, and gradually expanding their mathematical thinking.
Our specially trained math tutors in Lake Forest work with K–12 students of all skill levels, empowering them to grow their confidence and reach their full potential in math.
Whether students attend in-center or online, we provide face-to-face instruction in a caring and engaging group environment designed to support every step of their math journey.
Discover how Mathnasium tutors helped Malachi become more confident in math.
Each student begins with a diagnostic assessment that helps us understand their current skills, learning needs, and academic goals. These insights guide the creation of personalized learning plans, which our tutors follow to support the students’ progress.
Our step-by-step approach builds on what students already know, introduces new concepts in a logical sequence, and allows them to learn at their own pace—developing a deep understanding of how math works.
Discover how Mathnasium helped Maddie enhance her math skills and transform how she thinks and feels about math.
Math Tutors Near You
We specialize in math-only instruction with a focused, caring, and fun learning approach that delivers results. We proudly serve the communities and schools in Lake Forest, CA, including:
Specially Trained and Caring Team
Grace Peng
Owner/Managing Center Director
Grace Peng is the Multi-Center Owner of several Mathnasium locations in Orange County, including Lake Forest, Lake Forest, and Irvine. Every day, she is committed to creating an effective, engaging, and supportive learning experience where students grow in confidence and build a deep understanding of math.
She leads a team of passionate instructors who provide a nurturing and productive environment for students of all levels. Grace believes in the transformative power of the Mathnasium Method and is always happy to connect with families who want to see their children succeed in math.
Lexie Rauda
Center Director
Lexie earned her Bachelor’s degree in Pure Mathematics from the University of California, Irvine. With over eight years of experience teaching the Mathnasium Method, she loves helping students turn fear into fascination and watching their “Aha!” moments light up the room.
Her favorite number is 343, a perfect cube that reminds her of the patterns and beauty found in math. Outside the center, Lexie enjoys attending concerts, going on road trips, spending time at the beach, and baking treats to share with others—a sweet way to combine creativity and joy!
Joshua Villalpando
Center Director
Joshua is pursuing his Mathematics degree at Cal State Long Beach, driven by a passion for geometry and structure that began in childhood. He has experience in robotics and Computer-Aided Design, and he enjoys helping students overcome challenges just as he’s done in his own math journey.
His favorite number is 5, representing balance and symmetry. When not teaching or studying, Joshua enjoys playing the piano, golfing, and racquetball. He brings both heart and experience to Mathnasium, creating a space where students are encouraged to grow through support and understanding.
Eric Yang
Assistant Center Director
A graduate of Cal State Fullerton with a degree in Mathematics, Eric is currently pursuing a single subject teaching credential. Fascinated by the way numbers connect to everything—from art to history—he helps students find those same meaningful patterns in math.
Eric’s favorite number is 3, which he appreciates for its simplicity and balance. He’s also a proud bird owner with a lovebird and a cockatiel, which he jokingly refers to as “modern-day dinosaurs.” Outside of teaching, Eric enjoys drawing and gaming, often using his math knowledge to enhance both hobbies.
Abraham Castelan
Lead Instructor
Abraham is a Pure Mathematics major at Cal Poly Pomona, focused on Secondary Education. After discovering his passion for math, he switched from Computer Engineering and now loves guiding students toward understanding. He brings experience from robotics, programming, and electrical engineering—and as an Eagle Scout, he’s no stranger to leadership and problem-solving.
His favorite number is 23, a number he associates with personal milestones and mathematical elegance. Outside of Mathnasium, Abraham enjoys working on sports cars, playing video games, and listening to music—balancing logic with creativity in all aspects of his life.
Sean Newland
Lead Instructor
Sean Newland is a fourth-year student at the University of La Verne currently pursing a degree in computer science and data analytics. He also has experience doing research work with NASA's Heliophysics department, and has been working as a Teaching Assistant in his University's Physics Lab tutoring students. His enjoyment for tutoring his fellow classmates has led him to seek a role at Mathnasium! In his free time, Sean also enjoys archery and programming. Favorite Number: 10. Fun Fact: He still has a Nintendo 3DS from when he was a kid.
Ethan Kosaki
Lead Instructor
Ethan Kosaki is a student at UC Irvine and is pursuing Computer Science and Business Management. With a long-standing interest in both technology and business development, Ethan aims to integrate these fields to develop innovative solutions in tech-driven industries. Ethan is also the co-founder of a nonprofit organization that has hosted events for more than a thousand high school and college students around the world. Through his volunteer, nonprofit, and tutoring experience, Ethan has taught classes in math, animation, and web development to students of all ages and experience levels. In addition to academics, Ethan enjoys playing basketball and loves watching Formula 1 races. Favorite Number: 4. Fun Fact: He is a descendent of Japanese Samurai.
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 Lake Forest is conveniently located in Sycamore Plaza, near Stater Bros. Markets, Starbucks, and Chipotle. Our center is easily accessible, making it a convenient and family-friendly stop in the neighborhood.
Yes! Students at Mathnasium of Lake Forest have the flexibility to attend sessions in person at our center or online through live, face-to-face instruction with the same specially trained tutors.
No, there’s no difference between in-person and online math tutoring at Mathnasium of Lake Forest. Students who choose to attend online will receive the same personalized learning plans and live, face-to-face instruction from the same caring tutors they would see in-center.
Our specially trained math tutors work with students across all K–12 math subjects—from early elementary math to Algebra, Geometry, and Calculus. We help students of all skill levels truly understand math and build the skills they need to succeed.
Mathnasium offers high-quality, math-only tutoring through a structured program designed to deliver results at a great value.
We charge a flat monthly enrollment fee, with no long-term contracts, and recommend students attend 2–3 times per week for the best results.
For more information on enrollment packages, call us at (949) 868-6488.
No, membership fees are the same for online, in-center, and hybrid tutoring at Mathnasium of Lake Forest.
Our students’ math journey begins with a diagnostic assessment—an engaging experience designed to help us understand each student’s current skill level, identify strengths and areas for improvement, and learn about their individual goals.
The insights from this assessment allow us to create a personalized learning plan that guides their math progress and puts them on the best path toward long-term success and confidence in math.
At Mathnasium of Lake Forest, our specially trained tutors don’t follow a standard curriculum. Instead, we use personalized learning plans tailored to each student’s unique needs and pace.
We teach using the Mathnasium Method™, a proprietary teaching approach that blends personalized instruction with proven strategies to close knowledge gaps and deepen understanding of math concepts.
Our goal is to help students build strong math foundations, grow their confidence, and achieve their full potential.
Yes! Mathnasium of Lake Forest supports students at every stage of their math journey—from those who are behind and need to catch up to those looking to stay on track or get ahead.
For students who are struggling, we focus on filling knowledge gaps, reinforcing foundational skills, and teaching in a way that makes sense to them.
Advanced students can take part in enrichment programs that introduce new concepts, encourage higher-level thinking, and provide personalized guidance to help them reach their academic goals and thrive in math.
Yes! We work with all K-12 students in Lake Forest, whether they are homeschooled or attending a private or public school.
Yes! Our math tutors in Lake Forest will set aside some time during each session to help students with their math homework.
No, Mathnasium does not assign homework. All learning takes place during sessions, where our specially trained tutors provide face-to-face instruction and guide students in building their math skills.
We focus on making the most of each student’s time in the center, so they can make real progress without the added stress of take-home assignments.
Yes, we prepare K-12 students in Lake Forest for school and standardized math tests, including state exams, ACT®, and SAT®. Our test preparation programs combine personalized learning plans, proprietary prep materials, and proven teaching techniques to help students excel in the exam and beyond.
Yes, Mathnasium of Lake Forest works with students of all skill levels to help them excel in math and unlock their full potential. Our specially trained tutors prepare students for all major K-12 math competitions, including American Mathematics Competitions (AMC) and Math Kangaroo.
Your child can avoid the math learning loss that typically happens over the break by attending summe...
Contact UsKnowledge Hub
Mon - Fri
3:00PM - 7:00PM
Sat
CLOSED
Sun
CLOSED
Mon - Thu
12:00PM - 7:00PM
Fri - Sat
12:00PM - 5:00PM
| Mon - Fri: | 3:00PM - 7:00PM |
| Sat: | CLOSED |
| Sun: | CLOSED |
| Mon - Thu: | 12:00PM - 7:00PM |
| Fri - Sat: | 12:00PM - 5:00PM |
(949) 868-6488
