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

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

Karista

Certified Tutor

5+ years

Karista

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

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

Emily

Certified Tutor

6+ years

Emily

Master of Science, Education
Emily's other Tutor Subjects
9th Grade AP Biology
6th-12th Grade Biology
Calculus
Algebra

I am tutoring!

Education

Johns Hopkins University

Master of Science, Education

Millersville University of Pennsylvania

Bachelor in Arts, Psychology

Remy

Certified Tutor

6+ years

Remy

Bachelor in Arts, Neuroscience
Remy's other Tutor Subjects
9th Grade AP Biology
6th-12th Grade Biology
Middle School Math
Calculus

I am on the pre-med track planning to apply next year. I have a genuine passion for helping others, whether that be in my future career as a doctor or tutoring! During my years at Oberlin, I was a general chemistry laboratory teaching assistant, as well as a tutor for Bioorganic chemistry. I was ins...

Education

Oberlin College

Bachelor in Arts, Neuroscience

Test Scores
ACT
33
Mariam

Certified Tutor

6+ years

Mariam

Bachelor of Science, Biology, General
Mariam's other Tutor Subjects
9th Grade AP Biology
6th-12th Grade Biology
Statistics
Calculus
Education

Indiana University-Bloomington

Bachelor of Science, Biology, General

Test Scores
SAT
1470
ACT
32
Ritu

Certified Tutor

6+ years

Ritu

Bachelor in Arts, Biology, General
Ritu's other Tutor Subjects
9th Grade AP Biology
6th-12th Grade Biology
1st-12th Grade Geography
6th-12th Grade AP Geography
Education

UNC Chapel Hill

Bachelor in Arts, Biology, General

Test Scores
SAT
1430
Brittany

Certified Tutor

6+ years

Brittany

Bachelor of Science, Biology, General
Brittany's other Tutor Subjects
9th Grade AP Biology
6th-12th Grade Biology
Calculus
Algebra
Education

Duke University

Bachelor of Science, Biology, General

Tino

Certified Tutor

Tino

Bachelors, Honors Philosophy (Intensive Option)
Tino's other Tutor Subjects
Algebra
Algebra 2
College Algebra
College English

I recently graduated from the University of Pittsburgh with a BA in philosophy, with special honors from the department. Within philosophy, my interests are in logic, the philosophy of math, the philosophy of language, and ethics - each broadly construed. Outside of philosophy, I have interests in w...

Education

University of Pittsburgh-Pittsburgh Campus

Bachelors, Honors Philosophy (Intensive Option)

Christabel

Certified Tutor

Christabel

Bachelor in Arts, English, Writing
Christabel's other Tutor Subjects
Adult ESL/ELL
College English
College Essays
Comparative Literature

I graduated with honors from Wheaton College (IL) with a B.A. in English, Writing and a Certificate in Early Church History. While studying, I worked as a Writing Consultant where I empowered undergraduate and graduate students to write clearly and persuasively and to read their own work with a crit...

Education

Wheaton College (Illinois)

Bachelor in Arts, English, Writing

George

Certified Tutor

4+ years

George

Bachelors, Architecture
George's other Tutor Subjects
Algebra
Geometry
Math
Pre-Algebra

I have had previous tutoring experience in elementary and high school math, design and English classes. I have worked with various students on their comprehension skills, along with their abilities at problem solving.I graduated in 2012 from Pennsylvania State University with a major in Architecture...

Education

Pennsylvania State University-Main Campus

Bachelors, Architecture

Dylan

Certified Tutor

10+ years

Dylan

Current Undergrad, Mechanical Engineering
Dylan's other Tutor Subjects
Algebra
Algebra 2
AP Physics 1
Geometry

Do you ever go into class thinking, "Okay, I am 100% focused and I will completely understand everything my teacher says", and leave thinking "What just happened?!?"... It's not uncommon. Often times you might just be one concept behind and are always trying to play mental catch-up during lecture. O...

Education

University of North Florida

Current Undergrad, Mechanical Engineering

Nearby 9th Grade AP Biology Tutors

Frequently Asked Questions

AP Biology is a college-level course that covers cellular and molecular biology, genetics, evolution, and ecology. Taking it in 9th grade is an accelerated path that allows students to demonstrate mastery of advanced biological concepts early and potentially earn college credit through the AP exam. Students who excel in science and want to challenge themselves academically often choose this route to build a strong foundation for future STEM coursework.

The AP Biology curriculum focuses on eight major units: chemistry of life, cell structure and function, cellular transport, cell communication and division, heredity, gene expression, natural selection and evolution, and ecology. Each unit builds on foundational concepts, so understanding early topics like cell structure is critical for success with later material on genetics and evolution. A tutor can help ensure you're building strong connections between these concepts rather than memorizing facts in isolation.

Many 9th graders struggle with the abstract nature of molecular and cellular concepts—it's hard to visualize what's happening at the cellular level. Additionally, the course requires both conceptual understanding and the ability to apply that knowledge to new scenarios, which is different from memorization. Time management is another challenge, as the volume of material and the depth of understanding required can feel overwhelming without a structured study plan.

Personalized 1-on-1 instruction allows a tutor to identify your specific knowledge gaps—whether that's understanding photosynthesis, genetics problems, or evolution concepts—and target those areas directly. Tutors can also teach you how to approach AP-style questions, break down complex topics into digestible pieces, and help you build confidence with material that might feel intimidating at first. For students in St. Louis, connecting with an expert tutor means having someone who understands how to bridge the gap between high school rigor and college-level expectations.

Practice tests are essential for AP Biology because they help you understand the question format, identify weak areas, and build test-taking stamina for the 3-hour exam. Rather than taking full practice tests early, it's often more effective to start with unit-specific practice questions to build confidence, then move to full-length exams as you progress through the course. A tutor can help you analyze your practice test results to spot patterns in your mistakes—whether you're misreading questions, lacking conceptual understanding, or running out of time.

Consistency matters more than cramming—aim for 4-5 hours of focused study per week outside of class, broken into manageable sessions rather than one long block. Early in the course, prioritize understanding core concepts deeply; as you move toward the AP exam in May, gradually shift toward practice problems and full-length exams. A tutor can help you create a personalized study plan that accounts for your current level, identifies which units need extra attention, and keeps you on track throughout the year.

Your first session is an opportunity for a tutor to understand where you're starting from—what you already know, where you're feeling stuck, and what your goals are for the course. You might review some foundational concepts, work through a practice problem together, or discuss your study habits and challenges. This helps the tutor create a customized plan for future sessions that focuses on your specific needs rather than generic test prep.

A good benchmark is scoring consistently in the 70-80% range on full-length practice exams, which typically correlates to a 4 or 5 on the actual AP exam. You should also feel comfortable explaining concepts in your own words, not just recognizing answers on multiple choice questions. If you're consistently scoring below 70% on practice exams or struggling with specific units, working with a tutor in the months before the exam can help you close those gaps and build the confidence you need to perform well.

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