Achieve Higher Scores with One-to-One Test Prep Tutoring
  • More than 4.6 million successful tutoring sessions
  • Custom programs for the SAT, ACT, PSAT, SSAT, ISEE & AP exams
  • Flexible scheduling — in-home, online, or hybrid tutoring

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4.8 Stars

“My daughter loves Tutor Doctor for ACT prep. Her practice scores have already increased by 5 points and she’s only been working for a month!”

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Your journey begins with a free practice test that helps us understand exactly where your student stands today and where they need to go. Your dedicated Education Consultant will review these baseline results with you, explain what they mean for your child’s college goals, and match your student with a test prep tutor who fits both their academic needs and personality. Our one-to-one tutoring approach combines expert instruction with targeted practice, proven test-taking strategies, and confidence-building techniques that help students master content, improve timing, and reduce test-day anxiety. Whether your child is preparing for the SAT, ACT, PSAT, or AP tests, our tutors work at your student’s pace, adapting lessons to their learning style and focusing on the areas that will make the biggest difference in their scores. Throughout the process, we partner with parents to provide clarity about test choices, score goals, and the evolving college admissions landscape, ensuring your family feels supported and informed every step of the way.

With Tutor Doctor, your student will:

  • Master test-specific content and strategies through personalized lessons that target their unique strengths and challenges
  • Build confidence and reduce anxiety with practice tests, timing techniques, and stress-management strategies
  • Receive expert guidance on test selection, score goals, and how their results fit into their college admissions strategy
  • Work with a dedicated tutor who adapts to their learning style, schedule, and motivation level
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Meet Peggy Santi, owner of Tutor Doctor Denver

Since 2009, Peggy Santi has been the driving force behind Tutor Doctor Denver, bringing her unique perspective as both a retired aerospace engineer and mother of two Douglas County students to families across the Denver Metro area. Her engineering background taught her the importance of systematic problem-solving and precise preparation, skills she now applies to helping students navigate the complexities of ACT and SAT testing. Having witnessed firsthand the challenges parents face in supporting their children's educational journeys, Peggy built a team of over 100 local tutors who share her belief that personalized test prep can change the trajectory of a student's life.

As the owner of Tutor Doctor Denver, Peggy takes pride in personally matching each student from Highlands Ranch to Aurora with the perfect tutor for their learning style, test prep goals, and college aspirations. Her commitment extends beyond just boosting test scores; she focuses on building the confidence and organizational skills that help students feel calm and prepared on test day. Through partnerships with organizations like The Challenge Foundation and The Colorado Department of Vocational Rehabilitation, Peggy ensures that quality test preparation reaches students from all backgrounds throughout Denver, Littleton, Parker, Centennial, and beyond, making college dreams accessible to every family in the community.

5+ Years

Empowering Students In Denver

102,000+

Hours Spent Successfully Tutoring Students

Our Approach to Test Prep Tutoring

At Tutor Doctor, every test prep journey starts with a process that’s built around your student — not a one-size-fits-all program. We take the time to understand each student, match them with the right tutor, and provide personalized, one-to-one instruction that builds both skill and confidence.
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Assess

We start with a free consultation and practice test to understand your student’s starting point and college goals, and create a personalized plan.

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Match

Your student is paired with an expert test prep tutor who fits their learning style, personality, and college goals.

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Tutor

Through one-to-one test prep sessions, students build the skills, strategy, and confidence they need to perform at their best.

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Support

We stay connected through regular progress updates and communication, so families are always informed about milestones, focus areas, and next steps.

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4.8 Stars

Hear What Our Families Are Saying About Our Test Prep Tutors

Liz Smith
Love the ease & convenience of having a tutor come to our home for SAT prep. They work with my son’s busy schedule and are very accommodating.
Jo Ann Milles
The Tutor Doctor helped my daughter raise her ACT multiple points! The strategies taught helped her feel more confident and perform better! Highly recommend!
Ginny Blossom
My daughter loves her Tutor Doctor for ACT prep. Her practice scores have already increased by 5 points and she’s only been working for a month! Thank you Jeff! - Emma’s mom
Sean Masterson
My son had a great experience with ACT tutor. John is highly experienced with ACT testing materials in all subjects and has a fantastic understanding of how to work with teenagers! My son's ACT score went up significantly due to John's ...
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Phil Lewis
Tutor Doctor was a great resource for my son who was preparing for the ACT test. Great information and test strategies for test success were gained. I highly recommend Kevin and his team.
Damon Bowman
My daughter has struggled with biology and the tutor we ended up with has been really helpful in breaking down concepts. The tutor also checks in on her as well. My son utilized a tutor for SAT prep and his scores improved over 200 ...
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Test Prep Tailored to Every Student

Tutor Doctor helps students prepare for the exams that shape their college journey. From improving SAT or ACT scores to mastering AP exams, our one-to-one test prep programs strengthen content knowledge, build strategy, and boost confidence — so students can approach college admissions with clarity and calm.

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Benefits of One-to-One Test Prep Tutoring

Effective test preparation goes beyond memorizing formulas or test tricks — it’s about helping students build the mindset and skills that lead to lasting success.
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With one-to-one test prep tutoring, your student will:

  • Receive personalized instruction tailored to their goals, test, and learning style
  • Strengthen academic skills that support classroom success and college readiness
  • Learn strategies for pacing, focus, and stress management
  • Build confidence and motivation through supportive, one-to-one instruction
  • Develop study habits and resilience that make future exams — including college entrance tests — less stressful

When students feel supported, confident, and prepared, they don’t just test better — they thrive. Book a Free Consultation to learn how Tutor Doctor’s personalized test prep tutoring can help your student succeed in school and get into their dream college.

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Frequently Asked Questions About Our Test Prep Tutoring Services in Denver

How is Tutor Doctor's test prep different from the big test prep centers in Denver?

Unlike group classes at test prep centers, Tutor Doctor provides one-to-one personalized tutoring that adapts to your student’s specific needs, learning style, and goals. We start with a free practice test to identify exactly where your child needs support, then match them with a tutor who creates a custom plan just for them. Our tutors come to your home in Denver and surrounding areas like Cherry Creek, Highlands Ranch, or Parker, making test prep convenient and stress-free for busy families.

How does the free practice test work, and what happens next?

Your student takes a full-length practice SAT or ACT test (we can help you decide which is best), and we provide a detailed score report that breaks down their strengths and areas for improvement. But we don’t just hand you a scorewe translate those results into a personalized prep plan and match your child with the right tutor for their needs. The practice test is completely free with no obligation, and it gives us the baseline we need to help your student improve efficiently.

When should my student start preparing for the SAT or ACT?

Most students benefit from starting test prep 3-4 months before their target test date, though this varies based on their baseline score and goals. For juniors in the Denver area, we often recommend beginning prep in late winter or early spring for spring/summer tests. Starting with a free practice test helps us determine the right timeline for your childsome students need just a few weeks of targeted support, while others benefit from a longer preparation period to build confidence and master strategies.

Can tutoring really help improve my child's test scores?

Yesour one-to-one approach helps students build both content knowledge and test-taking strategies while reducing anxiety and building confidence. Many of our Denver-area families have seen significant score improvements, with some students gaining 200+ points on the SAT or several points on the ACT through dedicated preparation. While results vary based on student effort and engagement, our personalized approach ensures your child gets the targeted support they need to reach their potential and open doors to college opportunities.

Do you offer in-person tutoring throughout the Denver metro area?

Yes! We provide in-home tutoring throughout Denver and surrounding communities including Aurora, Centennial, Littleton, Lakewood, Parker, Highlands Ranch, Cherry Hills Village, Greenwood Village, and more. Our tutors come to you, working around your family’s schedule and in the comfort of your own home. We also offer online tutoring options if that better fits your needs, giving you the flexibility to choose what works best for your student.

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Start your child on the path to academic success today

We'll learn about your student's goals and build a customized tutoring plan that helps achieve stronger results and long-term success.
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100+
Locations Nationwide
15+
Years of Experience
4.6 million
Tutoring Sessions
95%
Success Rate