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My child was failing Geometry Honors for different reasons and we thought that Mathnasium would be a fast solu...
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Mathnasium of Lake Forest's personalized geometry tutoring programs are designed to support students at every stage of their math journey.
We introduce middle school students to foundational concepts like angles, shapes, congruence, and basic measurement, building the spatial reasoning and logical thinking skills needed for high school geometry.
Our tutors guide students through core topics—triangles, circles, proofs, transformations, and the Pythagorean theorem—using personalized plans that make abstract concepts clear and build problem-solving confidence.
Honors students and competition participants can receive targeted support for challenging topics like advanced proofs, coordinate geometry, and complex problem-solving strategies that prepare them for college-level coursework and math competitions.
At Mathnasium of Lake Forest, our specially trained tutors help students of all skill levels truly understand and enjoy geometry.
Whether your student is just starting to learn angles and shapes or needs support with formal proofs and coordinate geometry, our tutors provide face-to-face instruction tailored to their learning style, needs, and goals. Students work in a fun and supportive small-group environment where they can transform how they think and feel about math.
We use the Mathnasium Method™, our proprietary teaching approach designed to promote deep understanding and confidence in any math topic, including geometry.
By combining personalized learning plans with interactive instruction, we help students connect concepts, improve problem-solving skills, and develop the confidence they need to thrive in their geometry class and beyond.
Each student begins their Mathnasium enrollment with a diagnostic assessment that allows us to create a personalized learning plan tailored to their needs and learning goals.
Whether your student is working to catch up, keep up, or get ahead, our tutors meet them at their level and guide them through each topic step by step, from triangles and the Pythagorean Theorem to transformations and volume.
Our 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.
Geometry Tutors Near You
We help students in Lake Forest and neighboring communities excel in geometry through personalized tutoring that builds understanding, skill, and confidence. Our center proudly serves students who attend:
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, Foothill Ranch 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!
Ann Chiu
Assistant Center Director
Ann Chiu graduated from University of California, San Diego with a Bachelor’s degree in International Business and a Master’s degree in Professional Accountancy. She has enjoyed working with children for many years and finds it rewarding to see their confidence grow as they learn. With a strong background in analytical thinking and problem-solving, she’s excited to help students discover that math can be both understandable and fun. She believes that learning math is not only about solving problems but also about building persistence and critical thinking that carry into everyday life. Her goal is to help each student feel proud of their progress and motivated to keep improving. In her free time, she enjoys spending time with family, exploring new places, and working out. Her favorite math joke: “Why was six afraid of seven? Because seven eight nine!”
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
Assistant Center Director
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.
Wyatt Warbiany
Lead Instructor
Wyatt Warbiany is a senior at Aliso Niguel High School focusing on physics and calculus as he prepares to study Nuclear Engineering in college. He has a deep interest in atomic physics and power generation, with the long-term goal of operating nuclear reactors. With three years of tutoring experience, Wyatt enjoys finding clear, creative ways to explain challenging concepts and helping students understand the “why” behind the math.
His favorite number is Phi: the golden ratio. Outside the classroom, he enjoys playing golf and listening to country music.
Katelyn Smith
Lead Instructor
Katelyn is a senior at El Toro High School and plans to major in either chemistry or biology after graduation. Throughout high school, her interest in math and science has continued to grow, along with her passion for helping others learn. Katelyn tutors chemistry students on campus and frequently supports her peers and younger siblings with their math coursework.
Her favorite number is 8. Outside of academics, she enjoys playing tennis and practicing the piano, and sewing during her free time.
Whether they would like to attend sessions in-center or online, 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 the geometry concepts they still need to learn.
FAQ
Mathnasium of Lake Forest is located in the Sycamore Plaza and can be found nearby other close businesses such as Stater Bros. Markets, Starbucks, and Chipotle.
We offer in-center geometry tutoring at our Lake Forest location, as well as live, face-to-face online sessions, so your student can learn in the way that works best for your family.
Yes. Mathnasium of Lake Forest can help students learn and master any middle school geometry topic, including angles, shapes, area and perimeter, transformations, and basic reasoning skills.
We help students build solid foundations in geometry to prepare them for more advanced high school math.
Our specially trained tutors follow learning plans tailored to each student's needs and goals. These plans can feature any K-12 geometry topics, including:
Points, lines, angles, and triangles
Circles and polygons
Area, surface area, and volume
Transformations and symmetry
Coordinate geometry
Proofs and reasoning
Congruence and similarity
The Pythagorean Theorem and trigonometric ratios
We support students at all skill levels, from middle school through high school.
We follow the Mathnasium Method™, a proprietary teaching approach that combines personalized learning plans, face-to-face instruction, and a variety of teaching strategies to help students truly understand geometry.
Each student begins with a diagnostic assessment so we can identify their skill level and learning goals. Based on the insights, we develop a customized learning plan and guide them through each concept step by step, helping them build both math skills and confidence.
Yes! Many students come to us in need of extra support with geometry.
Whether they are having trouble understanding proofs, formulas, or complex diagrams, our tutors meet the students where they are, help them address knowledge gaps, and strengthen their foundational skills, so they can move on to the challenging topics.
We help rebuild their confidence and gradually guide them toward success in the classroom and beyond.
Of course! We offer enrichment for students who are ready to go beyond the school curriculum. This may include exploring higher-level geometry concepts, preparing for math competitions, or developing skills for honors and advanced math courses.
Yes. During each session, our tutors dedicate time to helping students with their current geometry homework, using it as an opportunity to strengthen their understanding of the underlying concepts.
Yes! We help students prepare for a range of math tests and exams, including:
Classroom tests and quizzes
End-of-course exams
State and district assessments
Geometry questions on standardized tests like the SAT® and ACT®
Our instruction focuses on building lasting understanding, not just memorization, to equip students with the skills and confidence they need to excel on their exams.
Yes. Students can receive the same high-quality instruction through live, face-to-face online sessions led by the same tutors who work in our learning center in Lake Forest.
Online students follow the same personalized learning plans and interact directly with their tutor in real time.
No. Both formats offer the same personalized learning plans, instruction quality, and caring guidance.
Mathnasium of Lake Forest offers a structured, fun, and engaging learning environment, powered by the Mathnasium Method™.
Unlike private tutors, for example, we follow assessment-based learning plans with ongoing progress tracking and instruction aligned with classroom goals.
Our tutors specialize in teaching math and only math, which makes us uniquely positioned to help students succeed in geometry and beyond.
Each student begins their Mathnasium enrollment with a diagnostic assessment that allows us to pinpoint their exact skill level and goals.
Based on the assessment insights, we build a customized algebra learning plan that our tutors follow closely during instruction, focusing on filling knowledge gaps, reinforcing key skills, and introducing new concepts in sequence so each topic is truly understood before moving on.
Yes. Our tutors are well-versed in the California Learning Standards and work with students attending schools across Lake Forest.
We can align our geometry instruction with what’s being taught in Illinois classrooms and make sure that each student’s personalized learning plan supports their school’s expectations, class objectives, and preparation for state assessments.
We work with K–12 students. However, students who need geometry supported are usually in grade 7–11 working on middle school or high school geometry.
It’s easy to get started:
Schedule a free assessment
Receive a personalized learning plan tailored to your student’s needs
Enroll and begin sessions, either in-center or online
Most students begin their journey within just a few days of enrollment.
Pre-enroll in our Summer Program before Apr 30 and receive $100 off enrollment!
Schedule Free AssessmentKnowledge Hub
May 4, 2026
Apr 16, 2026
Feb 17, 2026
Feb 13, 2026
Nov 26, 2025
Sep 7, 2025
Aug 25, 2021
Mon - Fri
3:00PM - 7:00PM
Sat
CLOSED
Sun
CLOSED
Mon - Fri
10:00AM - 7:00PM
Sat
10:00AM - 3:00PM
Sun
CLOSED
| Mon - Fri: | 3:00PM - 7:00PM |
| Sat: | CLOSED |
| Sun: | CLOSED |
| Mon - Fri: | 10:00AM - 7:00PM |
| Sat: | 10:00AM - 3:00PM |
| Sun: | CLOSED |
Have questions? Contact us.
(949) 868-6488
