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We offer a range of education services specializing in mathematics, organization skills, building relationships with teachers, and learning how to self-advocate. TES tutors are qualified academic tutors offering personalized lesson plans to students in the Marin County area. We have been teaching students of all ages and levels since 2003. Teaching young people is our passion and we are committed to helping students discover and reach their full potential. 

Lessons and Specialties

Promising Personalized Guidance Every Step of the Way

We adhere to safety recommendations to prevent the spread of Covid-19

Math Homework

One-on-One Lessons

Customized Lessons to Fit

One-on-one lessons are focused around the needs of the student. Curriculum support, organizational skills, strategies for effective learning, and how to make the most of distance learning are a few of those needs that are nurtured and developed though one-on-one tutoring. With the current conditions due to Covid-19, we offer four different options.
Option 1: Session is conducted outside.
Option 2: Session is conducted in a patio room with large french doors opening to the outside.
Option 4: Session is conducted via zoom or other conferencing platforms.
Option 4: Session is conducted at your home.

Group Session

Weekly 2 - 4 students

Sessions are  grouped by grade/course level. In group sessions the focus is on concepts needed to access the current grade level curriculum as well as support on those topics being taught. We encourage students to text each other and their tutor between sessions when they have questions. This allows for continuous support beyond the face-to-face time and growth in the area of peer support.

Shelly was instrumental in teaching our son the necessary strategies to help him become

successful navigating high school algebra, as well as helping him grasp concepts

that he was struggling with.

- M. Perotti

Shelly Thelen made all the difference in my son's math progress in high school. She tutored him once a week for all four years, and methodically and systematically walked him through

the nuances and details of high school math. With patience as well as a disciplined focus,

she helped him understand, tackle and strategize test-taking to account for the complexities

of math. He would not have improved his math grades year over year without her.

- Daisy Whitney

Shelly Thelen has tutored my daughter for three years through eighth grade math, Algebra I and Geometry. My daughter is dyslexic and with Shelly’s help she has passed her math classes.  She helped with her homework and explained formulas  in ways that she could understand and apply to her work.  She also taught her math skills that she was not exposed to in school.  Thank you Shelly for all your hard work.

-Stacey G. 

Upcoming Events (Coming Soon)

  • Time is TBD
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    Time is TBD
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    Location is TBD
    If your student is prepared to accelerate their mathematics courses. Taking a geometry class over the summer is a great option. *Course must be pre-approved by student's high school.

About Us

Shelly Thelen B.S. Psychology UCSD,California Mathematics Credential, & M.S. Curriculum and Instruction Dominican University of Calfornia
I have been teaching mathematics at the middle and high school level for over 16 years. I use tested strategies for helping your student learn to learn. I have had great success working with students who have special learning needs. Contact me today to find out how I can help you achieve your academic goals.

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