Our ACT® math tutors help students master tested concepts, develop efficient problem-solving strategies, and build the speed and confidence needed to achieve their goal scores.
We help students master ACT® math topics—from Algebra and Functions to Geometry, Statistics, and complex problem-solving—building the fluency needed to tackle 60 questions in 60 minutes with confidence and accuracy.
We teach time-saving techniques, mental math shortcuts, and strategic answer-choice elimination that help students work through 60 questions efficiently while avoiding careless errors that cost points.
Our caring tutors use real ACT® practice questions to identify weak areas, track improvement, and build the pacing skills and confidence students need to reach their target scores and strengthen college applications.
Mathnasium of 4S Ranch focuses on teaching for understanding, helping students grasp concepts, not just memorize them.
We follow personalized learning plans tailored to each student's skill level and goals. The plans build on the student’s existing knowledge and introduce new concepts gradually, so they can truly understand the ACT® math material.
Working with Mathnasium’s specially trained math tutors, students in 4S Ranch can achieve better ACT® math test scores and even transform how they think and feel about math.
We ensure students learn at their own pace, so they feel prepared both for test day and for the challenges of higher education.
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.
Math Tutors Near You
Mathnasium’s specially trained tutors prepare students in and near 4S Ranch for the ACT® math exam. We proudly serve local communities and schools, including:
Specially Trained and Caring Team
Youngkun Weiss
Director of Operations
Youngkun's journey in education began with his pursuit of a bachelor’s degree in Pure Mathematics at Revelle College, University of California San Diego (UCSD). However, his passion soon shifted towards math education, prompting him to change his major to focus on secondary education. Since 2013, Youngkun has been actively involved in tutoring and various educational initiatives, demonstrating his commitment to education both within and beyond academia.
In January 2015, Youngkun became an instructor at Mathnasium, driven by a desire to make a direct impact on students' mathematical experiences. His dedication and leadership abilities quickly became evident, and by late 2017, he had transitioned to the role of Center Director. His continued success led to his promotion to Director of Operations in early 2023, where he now oversees multiple Mathnasium centers, including those in San Diego, Phoenix, Denver, Dallas, and Cincinnati.
Youngkun firmly believes that every student deserves to approach math with confidence. He is a staunch advocate of the Mathnasium method, which emphasizes a deep understanding of mathematical concepts and aims to eliminate the fear of math that often impedes student progress.
Committed to fostering the personal and professional growth of both instructors and students within his region, Youngkun strives to create an environment where learning math is a positive and empowering experience.
Karen Lossing
Executive Director
Karen is a powerhouse in the world of education, with a mission to make math click for every child. Karen’s career in education began in 2004 when she noticed her son was falling behind academically and wanted to help him and students like him get the best support available. Karen earned her master’s and teaching certificate and became a classroom teacher. During her years of teaching, she worked as an interventionist and district liaison for math curriculum and instruction.
After nearly a decade working in schools, Karen shifted gears to supplemental education in 2013 and opened the doors to her first Mathnasium franchise. Karen's first learning center has been recognized as a top performing location for several years in a row.
In addition to the work she does at her learning centers, Karen has served on the Mathnasium Franchise Advisory Committee, where her influence has been instrumental in shaping the company's direction and curriculum. Her efforts have led to the frequent adoption of new curriculum and student management systems, ensuring Mathnasium offers the best possible tools to help students excel and instilling confidence in her leadership.
Some of Karen’s achievements include:
Today, Karen and her family own a network of Mathnasium Learning Centers, empowering K-12 students to unlock their full math potential.
Libby Lossing
Director of Marketing
Libby brings a dynamic blend of leadership, education, and community spirit to her roles as Director of Marketing at Mathnasium.
Prior to joining the Mathnasium team full time, Libby attended the University of California, Los Angeles, where she was the Captain of the UCLA Spirit Squad and traveled the country as the school’s mascot. This multifaceted experience allows her to connect with a wide range of people and fosters a collaborative and engaging atmosphere in her work. In addition to her bachelor's degree from UCLA, Libby holds a certificate in School Management and Leadership from the prestigious Harvard School of Education and Business School.
Some of Libby’s exceptional achievements include:
A key member of the Mathnasium team since 2017, Libby is dedicated to creating a positive and enriching learning environment for all students.
Evan Lossing
Director of Human Resources
Evan's journey at Mathnasium began in 2013 as an Instructor. His passion for math education stemmed from his own academic journey. In elementary school, Evan overcame challenges in math with supplemental support, ultimately excelling and earning a spot in the accelerated program by high school. Fueled by a desire to help others experience similar success, Evan pursued a bachelor's degree in business management at Texas Tech University. Upon graduating, he leveraged his education and Mathnasium experience to excel as our Director of Human Resources.
Evan is relentlessly committed to providing exceptional customer experiences. His passion for understanding and meeting the needs of our students and their families drives him to continually seek out new knowledge and strategies. From staying on top of industry trends to immersing himself in educational podcasts and webinars, Evan is always on the forefront of customer service best practices. His dedication to creating positive and lasting relationships with our students and their families is evident in everything he does.
Evan recognizes that happy employees who are thoroughly trained and fully engaged with the work they’re doing produce the best results. Evan hosts weekly trainings and has built continued education programs to empower our team to continue to best themselves. His work was recognized by our headquarters and he was invited to help build national training programs to benefit our entire franchise network.
Some of Evan’s achievements include:
Steven Lossing
Executive Director
Whether they would like to attend ACT® math test prep sessions in-center or online, students can take 3 easy steps to enroll at Mathnasium of 4S Ranch.
All students begin their Mathnasium test prep journey by filling out the form at the bottom of the page or clicking 'Enroll Now' to get started.
FAQ
ACT tests proficiency in:
SAT math sections are in the range of topics covered and the structure of the questions, which influences how students approach each test.
The range of topics and structure of questions will help students decide how to best prepare for each test based on their strengths and learning style.
A good math score on the ACT depends on the student’s college goals and the schools they’re applying to.
The ACT math section is scored on a scale of 1 to 36, with the national average of around 20-21.
Generally, a score of 24-26 is considered competitive for most colleges and universities. For more selective schools, such as top-tier universities, a score of 30-34 would be considered competitive.
The perfect score of 36 is rare but highly impressive.
If the student is aiming for merit-based scholarships, a score of 28 or higher could increase their eligibility.
Ultimately, a good score is one that aligns with the admission requirements of the student’s desired schools.
Mathnasium of 4S Ranch prepares students of all skill levels for ACT math.
Each student begins their Mathnasium journey with a diagnostic assessment that allows us to identify their strengths, areas for improvement, and ACT goals.
Following assessment-based learning plans, our San Diego tutors work with students who are struggling with math to bridge their knowledge gaps and develop a deep understanding of the concepts they will face on the exam.
We use proven techniques and proprietary test prep materials to help students increase knowledge level-by-level and enhance the skills they need to excel on the ACT math exam.
Mathnasium test prep program is designed to give high school students the knowledge and tools they need to excel on the ACT.
Most students attend two 90-minute sessions per week for three months, working with our specially trained tutors and using our proprietary test prep materials to learn and master ACT math.
Yes, Mathnasium of 4S Ranch prepares all high school students for the ACT math test, whether they are homeschooling or attending a public or a private school.
No, there is no difference. Whether they choose to attend Mathnasium of 4S Ranch in person or online, students will receive the same quality customized curriculum and live, face-to-face instruction from Mathnasium tutors.
Absolutely! As each test prep program is personalized to a student’s specific goals and needs, students can join Mathnasium of 4S Ranch and our ACT math test preparation program anytime.
Knowledge Hub
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10543 4S Commons Dr Ste 175,
San Diego, CA 92127
| Call: | (858) 312-8888 |
| Text: | (858) 312-8888 |
| Email: | [email protected] |
Mon
3:00PM - 7:00PM
Tue
3:00PM - 7:00PM
Wed
3:00PM - 7:00PM
Thu
3:00PM - 7:00PM
Fri
3:00PM - 6:00PM
Sat
10:00AM - 2:00PM
Mon - Thu
3:00PM - 7:00PM
Fri
3:00PM - 6:00PM
Sat
10:00AM - 2:00PM
| Mon: | 3:00PM - 7:00PM |
| Tue: | 3:00PM - 7:00PM |
| Wed: | 3:00PM - 7:00PM |
| Thu: | 3:00PM - 7:00PM |
| Fri: | 3:00PM - 6:00PM |
| Sat: | 10:00AM - 2:00PM |
| Mon - Thu: | 3:00PM - 7:00PM |
| Fri: | 3:00PM - 6:00PM |
| Sat: | 10:00AM - 2:00PM |
(858) 312-8888
(858) 312-8888
