Expert AP Tutoring and Test Prep for Higher Scores & College Credit

Abby is a senior at The University of Texas at Austin majoring in Mathematics. She has experience tutoring students across a wide range of levels—from building fundamental skills in early math to preparing high schoolers for the SAT and ACT. Abby enjoys helping students strengthen their intuition, develop problem-solving strategies, and gain the confidence to approach challenging material with curiosity rather than stress.
Her tutoring philosophy centers on creating a patient, supportive environment where students feel comfortable asking questions and learning at their own pace. She believes that with the right guidance and encouragement, every student can grow into a more confident and capable math thinker.

Outside of academics, Abby loves all things outdoors, from cycling to backpacking. She also enjoys sewing her own clothes, exploring Austin, and can often be found at the public library.

Jared graduated from Vanderbilt University with BAs in English and Political Science. He took on part-time work as a speech and debate instructor while in college, which set him on a path to continue teaching after graduation. After two years as an English and history teacher in a one-on-one environment, he is eager to continue working closely with students at KHL to recognize and fulfill their academic potential.

Naomi is a Junior at UT Austin majoring in Athletic Training and minoring in Business. With five years of experience teaching in ESL, Naomi has a passion for connecting with students while also helping them achieve their academic and professional goals. As a top ten graduate herself in high school, she understands the pressure felt by many students and is committed to creating an engaging and positive environment for them as they learn new skills.

Outside of KHL, you can find Naomi working on a creative writing project, trying a new food spot, convincing her friends to tag along for a workout class, or reading the latest fiction novel that has caught her eye.

Jeff is a post-graduate student working on his Master’s in Data Science after attaining his BS in Mathematics at the University of Texas in Austin. Having been raised by parents who both hold college degrees in Mathematics, Jeff is no stranger to the subject and has always had a passion for teaching and helping others.

In his free time, Jeff enjoys spending time with his girlfriend, reading, lifting weights, and watching soccer (or any other live sport).

Natalie is a PhD student in Interpersonal Communication at UT Austin. She specializes in health communication, looking at how young adults with chronic conditions successfully cope with their experiences. Before moving to Austin, Natalie received her BA in Behavioral Sciences with an Emphasis in Psychology at Concordia University Irvine. At Concordia, she found a passion for public speaking (competing throughout college) and tutored students at the campus writing studio. Natalie also recently completed her MA in Communication Studies at San Diego State University. In addition to coaching students on the San Diego State speech team, she taught several public speaking courses.

Natalie looks forward to getting to know students and helping them achieve their goals. As a tutor, she aims to ensure students feel comfortable as they work through the content together. Natalie knows how challenging it can be to admit something is difficult or confusing, so she aims to create an environment where students aren’t afraid to ask questions and feel empowered to go through the sometimes messy process of learning something new.

Outside of KHL and UT Austin, Natalie enjoys reading, embroidery, and hanging out with her friends. She also has an adorable cat named Millie and loves showing pictures of her to anyone who does (or doesn’t) ask.SAT English, ACT English, AP Literature, AP Language and Composition, College Admissions Essays

Sophia is a recent graduate from UT Austin, where she majored in Art History. While at college, Sophia led multiple student organizations, took classes across a variety of disciplines, and wrote an honors thesis. She also tutored non-native English speakers in conversational and formal english.

Currently studying for the LSAT (Law School Admissions Test) herself, Sophia is in a unique position to understand her students’ motivations and struggles with test prep. She is thus able to encourage and support her students from a place of deeper understanding and empathy. Sophia’s tutoring style focuses on a fully-rounded tutoring experience, aiding students to be their best academic and personal selves.

In her free time, Sophia reads novels, sews quilts and clothing, and plays games with friends.

Paul Andega is an undergraduate student at the University of Texas at Austin, majoring in Biochemistry with a minor in Social and Behavioural Sciences. At UT Paul regularly volunteers with the Lions Club organization, an international humanitarian society providing service to local communities, and is a member of the National Society of Black Engineers. He’s also explored interests in a number of other clubs and organizations including UT Tae Kwon Do and Jiu Jitsu, French Learning Circle, and BSA. In academia, Paul is an avid researcher, currently working on a synthetic biology project as part of the UT’s iGEM team and with prior experience as a research assistant studying DNA transcription while at The University of Texas at Arlington. He also has previously worked as a Learning Assistant tutoring chemistry at UT and enjoys teaching his knowledge as much as he loves learning himself.

Paul’s long-term goal is to pursue a career in biomedical research after obtaining his BS in Biochemistry and PhD in Genetics. He hopes to make a lasting impact with his research in the future that will aid in the advancement of medical therapies. Despite his ambitions, he still enjoys taking the time to enjoy life’s simple pleasures like eating giant bowls of ice cream and cookies after exams or binging shows and movies he’s already seen 100+ times. Some of his other past times including calisthenics, reading, bass, and praying a million dollars will drop in front of him someday.

Andrea is a passionate educator committed to providing equitable learning experiences for students of all backgrounds. She has spent 5 years working as a high school teacher, interpreter, and IEP case manager. Additionally, she has tutored privately for the past 10 years.

Andrea earned her bachelor’s degree in Mathematics in 2015 alongside a teaching certification, after completing the UTeach program. As a UTeach student, she held multiple internships that allowed her to develop her skills as an instructor and interpreter.

As a teacher at a small charter school, she had the freedom and responsibility to write her own curriculum. This allowed her to put into practice many of the strategies and teaching methods she gained from the UTeach program, such as regularly developing engaging and meaningful lessons.

Andrea has also provided guidance and support to various math departments regarding best practices and ways to efficiently provide accommodations for students receiving special education services. Her diverse educational roles have equipped her with the skills and knowledge to mentor and support aspiring students, as well as her fellow peer teachers, as they gained more experience and confidence in the classroom. Andrea is committed to furthering education and improving the quality of instruction for all learners.

Mai is a highly accomplished professional with a wealth of experience in the education field. With over 10 years of math tutoring expertise, she has established herself as a highly knowledgeable and sought-after tutor for math courses and SAT/ACT math test prep.

Mai has built strong and meaningful relationships with her students throughout her career, earning their trust and respect. Her effectiveness as a tutor stems from her extraordinary ability to understand each student’s unique learning style. By tailoring her teaching methods to match their individual needs, she ensures that her students grasp complex math concepts and excel in their tests, exams, and daily homework.

Born in Sylmar, California, Mai recently relocated to the vibrant city of Austin, Texas. She has also served as a Lead Academic Coordinator throughout her tutoring career. Her extensive experience in educational leadership has equipped her with an understanding of the intricacies of running successful educational programs and ensuring optimal student outcomes.

As Director of Operations, she leverages her experience and expertise to streamline processes, enhance the overall efficiency of educational programs, and create an environment that fosters student success. Her genuine love for mathematics and her students’ success serves as a driving force in her ongoing professional development. Her vast experience as a tutor and in key educational leadership roles makes her a highly knowledgeable and influential Director of Operations. With a deep understanding of each student’s learning style and an unwavering commitment to their success, Mai continues to profoundly impact the lives of many students and the educational community.

Justin is a recent graduate from the New Writers Project at the University of Texas, where he received an MFA in Fiction. During his time at UT, he also taught undergraduate students as both a teaching assistant and instructor for classes like British Literature, American Literature, and Intro to Fiction Writing. More than teaching any specific subject, Justin is passionate about helping students learn— he firmly believes teaching is about making connections, and he is a strong proponent of finding common ground with students to better help them understand material they’re struggling with.

Before that, Justin earned his bachelor’s degree in English with a concentration in Creative Writing at the University of Houston. As a writer, he has long since dabbled in mediums from playwriting to screenwriting to poetry, and he is currently working on a short story collection.

Justin’s interest in writing and storytelling across multiple mediums extends to his other interests: on top of reading and writing fiction, he is an avid comic book reader with a passion for visual arts like drawing and animation. Some of his other hobbies include close-up magic, playing the drums, and talking in the third person.

In November of 2021, Caleb joined Kastner Hill Learning as an instructor, becoming the second tutor whom KHL ever hired. In the years since then, Caleb has filled many other roles at the company, including Director of Operations, Tutor Manager, and Director of Curricula. Caleb now serves as the Head of Personnel and leads the hiring, training, and managing of the best tutors in Austin. While Caleb enjoys being an integral part of the continued growth of KHL, the best part of the job will always be teaching and mentoring students.

Before Caleb became a tutor at KHL, he tried out every other job he could. While tutoring at an in-home tutoring company and teaching technical writing and world/food history at a culinary school provided him with his most applicable experience to KHL, one could argue that his roles as a wine bottler, Walmart grocery clerk, landscaper, boat mechanic, process server, movie theater manager, bartender, and bar trivia writer provided him with character and stories to tell. 

Caleb holds a B.A. in Multidisciplinary Studies: English and Psychology from the best university in Austin (CTX Woosh!) and a M.F.A. in Creative Writing: Fiction from Queens University of Charlotte.

In his free time, Caleb reads fiction and history, writes stories, plays tabletop games, and looks for birds. He identifies as a “theme park adult” and believes there’s no good reason to look at a real rock when you could see a fake one and ride a roller coaster. His Letterboxd top four movies are The Thin Man, Beau Travail, The Thing, and Muppet Treasure Island.