Award-Winning 9th Grade AP Chemistry Tutors serving St. Louis, MO

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Award-Winning 9th Grade AP Chemistry Tutors serving St. Louis, MO

Karista

Certified Tutor

5+ years

Karista

Doctor of Philosophy, Environmental Science
Karista's other Tutor Subjects
9th Grade AP Chemistry
6th-12th Grade Chemistry
6th-12th Grade Biology
6th-12th Grade AP Biology

I am now an independent contractor and science writer. Some of my work is on my website, www.karistahudelson.com. I am passionate about education and truly enjoy helping students with science and math courses. I have tutored for undergraduate level chemistry, algebra, and biology courses and taught ...

Education

University of North Texas

Master of Science, Environmental Science

Oklahoma State University-Main Campus

Bachelor of Science, Biochemistry

University of Windsor

Doctor of Philosophy, Environmental Science

Jessica

Certified Tutor

Jessica

PHD, Medicine
Jessica's other Tutor Subjects
College Algebra
Calculus
Algebra
Honors Chemistry

I am a licensed physician from Florida who is currently changing careers. I graduated from the University of Pennsylvania in 2009 and have extensive tutoring and editing experience. While a student, I became a certified writing tutor through the Critical Writing Department. Since I completed my writ...

Education

Nova Southeastern University

PHD, Medicine

University of Pennsylvania

Bachelors, History

University of Pennsylvania

undergraduate

Test Scores
SAT
1540
Jai

Certified Tutor

9+ years

Jai

Bachelors in Electrical Engineering and Computer Science
Jai's other Tutor Subjects
Calculus
Algebra
Electrical Engineering
ACT Writing

I'm a recent Stanford graduate (Electrical Engineering and Computer Science), and have been working at a major Management Consulting firm for a few years now. I personally scored a 2360 (out of 2400) on the SAT and 35 on the ACT and was successful in gaining admission to several top universities. I'...

Education

Stanford University

Bachelors in Electrical Engineering and Computer Science

Test Scores
SAT
1590
ACT
35
Kate

Certified Tutor

Kate

Masters, Environmental Engineering
Kate's other Tutor Subjects
AP Calculus BC
AP Calculus AB
College Algebra
Pre-Calculus

I'm available to tutor biology, chemistry, physics, math from Algebra up through AP Calculus, SAT test prep, and French. I've been tutoring students in science and math for 7 years. I also spent 8 months working and studying in France, and have tutored high school and adult students in French. When ...

Education

Massachusetts Institute of Technology

Masters, Environmental Engineering

Massachusetts Institute of Technology

Bachelors

Test Scores
SAT
1580
Jeffrey

Certified Tutor

6+ years

Jeffrey

Doctor of Philosophy, Mechanical Engineering
Jeffrey's other Tutor Subjects
Pre-Calculus
Geometry
Calculus
Algebra

I am enrolled in the Mechanical Engineering PhD program at Rice University which will begin Fall 2020, and I am hoping to return to academia as a professor after earning my PhD. In the meantime, I am looking to share my passion for gaining knowledge, specifically in STEM, by educating the up and com...

Education

University of Notre Dame

Bachelor of Science

Rice University

Doctor of Philosophy, Mechanical Engineering

Test Scores
ACT
34
Rhea

Certified Tutor

6+ years

Rhea

Bachelor of Science, Biology, General
Rhea's other Tutor Subjects
AP Statistics
AP Calculus BC
AP Calculus AB
Pre-Algebra

I am a current student at the University of Chicago. I am working towards a Bachelor of Science in Biological Sciences, and I am on the pre-medical track. I am extremely passionate about tutoring, and I have several years of experience tutoring students in my high school's learning center in various...

Education

University of Chicago

Bachelor of Science, Biology, General

Test Scores
Perfect Score
SAT
1550
ACT
36
Erika

Certified Tutor

Erika

Master of Public Policy, Public Policy
Erika's other Tutor Subjects
Pre-Algebra
Middle School Math
Calculus
Algebra

I am available to tutor middle and high school math, history and test prep. I have tutored math and history in the past and I previously taught a test prep course at a school in Hanoi, Vietnam. I have a lot of experience teaching all the need-to-know tricks to doing great on the SATS/ACTS! When I am...

Education

Harvard University

Master of Public Policy, Public Policy

Test Scores
ACT
32
Tony

Certified Tutor

Tony

Bachelor of Science in Biology
Tony's other Tutor Subjects
Calculus
Algebra
Biology
High School Biology

I am a recent graduate of Yale University and incoming first year medical student at Columbia University. Originally from the DC area, I have always had a passion for science and medicine and pursued a degree in Biology while at Yale. During the 2008-2009 academic year, I tutored science, math, Engl...

Education

Yale University

Bachelor of Science in Biology

Test Scores
SAT
1540
Samuel

Certified Tutor

6+ years

Samuel

Bachelor of Science, Applied Mathematics
Samuel's other Tutor Subjects
7th Grade Algebra
AP Calculus AB
Trigonometry
Pre-Calculus

I am a freshman at Caltech majoring in Applied and Computational Mathematics. My favorite subject to tutor is math because I find it very rewarding to simplify complex topics to aid in understanding. I have lots of tutoring experience. In high school, I ran and taught an SAT prep class and was vice ...

Education

California Institute of Technology

Bachelor of Science, Applied Mathematics

Test Scores
SAT
1550
Charles

Certified Tutor

Charles

Bachelor of Science, Mechanical Engineering
Charles's other Tutor Subjects
AP Calculus AB
Pre-Algebra
Algebra 3/4
Trigonometry

I am a junior Mechanical Engineering major at Yale, and I hope to become a Naval Aviator after college. I am also a varsity sailor, and enjoy playing music with friends when I can get some free time. I have been tutoring my fellow students throughout my entire academic career, and I would best descr...

Education

Yale University

Bachelor of Science, Mechanical Engineering

Test Scores
SAT
1440
ACT
34

Nearby 9th Grade AP Chemistry Tutors

Frequently Asked Questions

AP Chemistry is traditionally a 10th or 11th grade course, but some advanced 9th graders do take it. If you're starting AP Chemistry in 9th grade, you're likely in an accelerated program. Success depends on a strong foundation in algebra and general chemistry concepts—personalized tutoring can help ensure you have the prerequisite skills and aren't overwhelmed by the pace of AP-level material.

AP Chemistry covers atomic structure, bonding, stoichiometry, thermodynamics, kinetics, equilibrium, acid-base chemistry, and redox reactions. The course emphasizes both conceptual understanding and problem-solving skills. For 9th graders, the fast pace and mathematical rigor can be challenging—tutors can break down complex topics like equilibrium calculations and thermochemistry into manageable pieces.

The most common struggles are mathematical problem-solving (especially stoichiometry and equilibrium calculations), conceptual gaps from prerequisite material, and time management during exams. Many 9th graders also find the shift from memorization to deep conceptual understanding difficult. Personalized tutoring can target your specific weak areas and build confidence with challenging topics before they compound.

Your first session focuses on assessment and goal-setting. A tutor will review your current understanding of key chemistry concepts, identify gaps from prerequisite material, and discuss your specific challenges—whether that's lab calculations, exam pacing, or conceptual topics like bonding. From there, you'll develop a personalized study plan tailored to your learning style and timeline.

Tutors help you master the exam format, develop test-taking strategies, and practice time management—the AP exam has 60 multiple-choice questions and free-response sections that require both speed and accuracy. Regular practice tests, targeted review of weak topics, and strategies for approaching complex problems can significantly improve your score. Many students benefit from starting exam prep 2-3 months before the test date.

Look for tutors with chemistry expertise, ideally including AP exam experience or a background in chemistry education. For 9th graders specifically, it's valuable to find someone who understands how to bridge prerequisite gaps while maintaining the rigor of AP-level material. Varsity Tutors connects you with expert tutors who can assess your needs and adapt their teaching to your learning style.

Score improvement depends on your starting point, consistency with tutoring, and effort outside sessions. Students who work with tutors 1-2 times weekly and practice regularly often see measurable gains within 4-6 weeks. For 9th graders, early intervention can prevent gaps from widening and build strong foundational understanding that supports higher scores on the AP exam.

St. Louis has 40 schools across 9 districts, many with strong science programs and AP offerings. While school resources are valuable, personalized tutoring fills gaps that classroom instruction alone may not address—especially for advanced 9th graders who need customized pacing. Varsity Tutors connects you with expert tutors for students in St. Louis who can supplement your school's curriculum with focused, one-on-one support.

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