J. Torbert
My two kids go to Mathnasium every week and I honestly couldn’t be happier with it. Their confidence with math...
See more reviews here




J. Torbert
My two kids go to Mathnasium every week and I honestly couldn’t be happier with it. Their confidence with math...
See more reviews here
We help Texas students master tested TEKS standards, develop problem-solving skills, and build the confidence needed to perform their best on test day.
At Mathnasium of 4S Ranch, our tutors are trained to help students succeed on all STAAR math assessments, from Grade 3 through the Algebra I End-of-Course (EOC) exam. We support students in mastering core concepts, filling skill gaps, and building the confidence they need to perform under pressure.
Whether your student is preparing for their first STAAR test in elementary school or trying to pass Algebra I to meet graduation requirements, our expert instructors deliver the guidance they need.
We use proprietary test prep materials developed by math experts and apply our proven teaching approach, the Mathnasium Method™, focused on building solid foundations for math mastery. Combining personalized learning plans with effective instructional strategies, we help students make sense of math and feel confident on test day.
Each student begins with a diagnostic assessment that helps us identify which TEKS-aligned skills to focus on for their specific STAAR test. From there, we build a targeted learning plan that covers both math content and test-taking techniques, such as managing time and test anxiety, interpreting word problems, and applying problem-solving strategies effectively.
Our STAAR prep is never one-size-fits-all. After identifying each student’s current skills and goals, we design a targeted learning plan that supports their grade-level expectations and addresses the math topics most likely to appear on their upcoming exam.
Whether your student needs help catching up, wants to boost their score, or simply feels anxious about testing, we meet them where they are and guide them to their goal, step by step.
STAAR Tutors Near You
We empower students in 4S Ranch to excel in any K-12 Staar class, with a focused, caring, and fun learning approach that delivers results. We proudly serve local communities and schools:
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 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
Students can work with Mathnasium of Greatwood’s STAAR math tutors in-person or online, giving families flexible options.
Our center is located at 19822 Southwest Freeway, Sugar Land, TX 77479, near HEB and LA Fitness, with Starbucks just around the corner.
We proudly serve students from Greatwood, Riverpark, and surrounding communities including Richmond, Crabb, and Rosenberg. Local schools include:
Dickinson Elementary
Carter Elementary
Reading Junior High
Polly Ryan Middle School
George Ranch High School
Schools in FBISD and LCISD
Nearby schools in Needville
These performance levels help indicate how well a student has mastered grade-level math skills according to the Texas Essential Knowledge and Skills (TEKS) standards:
Did Not Meet Grade Level means the student is well below expectations and needs significant support
Approaches Grade Level means the student is close but still needs help to fully grasp the material
Meets Grade Level shows the student is performing on target and ready for the next grade
Masters Grade Level indicates strong understanding and readiness for more advanced math
At Mathnasium of Greatwood, we help students at every level, from those needing to catch up to those aiming for mastery. We use personalized learning plans to close learning gaps, reinforce essential skills, and move students toward success on future STAAR exams.
We help students prepare for all STAAR math assessments, including:
Grades 3–8 Mathematics
Algebra I End-of-Course (EOC) Exam
Each student receives personalized learning plans and support, so they can truly understand the math concepts tested on the STAAR exam and prepare for success on test day and beyond.
We focus on the TEKS-aligned math skills most relevant to each student’s grade level and test. Depending on the assessment, this might include:
Number sense and operations
Fractions, decimals, and percentages
Geometry and measurement
Proportional reasoning
Algebraic thinking and linear functions
Data analysis and problem-solving
We also focus on reinforcing test-taking strategies, including time management, multi-step reasoning, and how to approach unfamiliar problems confidently.
Students begin their Mathnasium journey with a diagnostic assessment designed to identify their grade-level readiness, learning style, needs, and goals. From there, we create a personalized STAAR prep plan that focuses on the concepts and strategies they need most.
We continually adjust instruction based on student progress, classroom performance, and upcoming test dates to ensure effective preparation.
Yes! Many students come to us needing extra help after receiving approaches grade level or did not meet grade level scores.
We meet them where they are, fill in knowledge gaps, and guide them step by step toward stronger performance and renewed confidence.
Our caring tutors help students feel less overwhelmed and more motivated to tackle their next STAAR test.
Absolutely! We work with ambitious students at and beyond grade-level to help them get ahead on their math journey.
For advanced students, we provide enrichment opportunities that challenge students to think critically, solve more complex problems, and approach math with deeper understanding.
Whether they’re aiming for accelerated programs, competitive school placements, or just want to do their best, we tailor our support to help them reach their goals.
While we are well-versed in the Texas Essential Knowledge and Skills (TEKS) standards, which guide both classroom instruction and the STAAR assessments, our personalized learning plans prioritize teaching how your student learns best. This means that we may need to revisit foundational concepts to close their knowledge gaps and gradually build towards grade-level expectations aligned with TEKS in order to prepare them for the STAAR math exam.
By combining TEKS-aligned instruction with a student-centered approach, we help students develop a deep understanding of the topics they are tested on, so they can excel on the exam, in the classroom, and beyond.
In addition to reviewing math content, we teach students how to:
Manage their time wisely during the test
Analyze and break down word problems
Identify key information in multi-step questions
Eliminate incorrect answer choices
Use problem-solving strategies with confidence
These skills help reduce test anxiety and improve overall performance on test day.
Yes! We help middle and high school students prepare for the STAAR Algebra I End-of-Course (EOC) exam, a graduation requirement in Texas.
We support students with the specific Algebra I topics covered on the exam, including linear equations, functions, systems, quadratics, and more. Our instruction is aligned with TEKS and helps students develop both content knowledge and test-taking confidence.
Yes! Students can attend live, face-to-face online tutoring sessions with the same tutors who work in our Greatwood center.
Our online STAAR prep follows the same personalized learning plans, includes real-time feedback, and offers the flexibility families need, without compromising quality or results.
At Mathnasium of Greatwood, we specialize in math—only math—and we understand the STAAR inside and out. Our approach is structured, but personalized and goes beyond memorization to help students truly understand the concepts being tested.
We use proprietary materials, TEKS-aligned instruction, and a learning plan tailored for each student. Our tutors also create a caring and fun environment that keeps students motivated, confident, and ready to succeed.
Enrolling at Mathnasium of Greatwood is easy and students can join us anytime during the year.
To get started:
Schedule a free assessment at our center
Receive your child’s personalized STAAR prep plan
Enroll and start sessions, in-center or online
Most students start their Mathnasium journey within just a few days, and we’ll support you every step of the way.
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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 - 8:00PM
Tue
3:00PM - 8:00PM
Wed
3:00PM - 8:00PM
Thu
3:00PM - 8:00PM
Fri
3:00PM - 7:00PM
Sat
10:00AM - 2:00PM
Mon - Thu
3:00PM - 8:00PM
Fri
3:00PM - 7:00PM
Sat
10:00AM - 2:00PM
| Mon: | 3:00PM - 8:00PM |
| Tue: | 3:00PM - 8:00PM |
| Wed: | 3:00PM - 8:00PM |
| Thu: | 3:00PM - 8:00PM |
| Fri: | 3:00PM - 7:00PM |
| Sat: | 10:00AM - 2:00PM |
| Mon - Thu: | 3:00PM - 8:00PM |
| Fri: | 3:00PM - 7:00PM |
| Sat: | 10:00AM - 2:00PM |
Have questions? Contact us.