Registration

AP Chemistry+ and Organic Chemistry - Summer 2025

AP Chemistry+

Intensive ten 90-min sessions in one week (tentative: July 21-25) 10:30 AM-12:00 PM AND 8:30-10 PM Eastern Time (2 sessions per day)
For students with one year of chemistry to build solid foundation for taking AP Chemistry or Dr. Chen's Level 2/3 Class in the fall;
Covers Stoichiometry, Atomic Structures/Periodicity, Molecular Structures/Bonding, IMFs and States of Matter, etc.
$499 for all ten live sessions, lecture notes, problem sets, office hour, and more
$50 early bird discount for students who sign up and pay by June 15, 2025

Sign it Up Now!

Organic Chemistry

Intensive ten 90-min sessions in one week (tentative: July 14-18) 10:30 AM-12:00 PM AND 8:30-10 PM Eastern Time (2 sessions per day)
For students who completed AP Chemistry or equivalence to build solid foundation for taking college-level Organic Chemistry or Dr. Chen's Level 3 or 4 Class in the fall
Covers Structural Foundations, Acids and Bases, Alkanes and Cycloalkanes, Stereoisomerism, Chemistry of Alkyl Halides, Addition of Alkenes, etc.
$599 for all ten live sessions, lecture notes, problem sets, office hour, and more
$50 early bird discount for students who sign up and pay by June 15, 2025

Sign it Up Now!

In-Depth, On-Demand – Learn with Dr. Chen’s Class Recordings

Want to study for the Chemistry Olympiad at your own pace and convenience? Now you can!
Get exclusive access to Dr. Chen’s full set of class recordings, organized by Level (2, 3, or 4), and now offered at a big discount. An extra $50/$100 bundle discount is offered for purchasing two/three modules together!

Each recording packet includes:

Comprehensive lecture recordings from Dr. Chen’s live sessions
All study materials, including detailed Lecture Notes
Challenging weekly homework sets with solutions
Structured by USNCO topic, progressing from fundamentals to advanced concepts

Perfect for motivated students preparing for the Local or National Exams—or anyone looking to boost their chemistry skills independently.

Start anytime, progress at your own pace, and build your mastery with the best-in-class resources.

Ready to begin? Click the "Purchase" button under each Level/Module!

Hear What Students Say about Dr. Chen's Class

Level 2 [Recordings] - AP Plus & USNCO Local

Module 1 (recordings available)

for students with a 5 in AP exam or motivated students taking AP Chemistry concurrently

covers Stoichiometry, Atomic Structures, Periodicity, Molecular Structures, Bonding, IMFs, Gases

8 weekly sessions (12 hours in total), late-Aug to mid-Oct

$245 (discounted) for all recorded sessions, lecture notes, and problem sets in 2024-25

Detailed Introduction to Module 1 in 2024-25

Recording of Session 1 in 2024-25

Purchase the Recordings

Module 2 (recordings available)

Module 1 (recordings available)

for students with a 5 in AP exam or motivated students taking AP Chemistry concurrently

covers Thermochemistry, Kinetics, Chemical Equilibrium, Acids&Bases, Buffer&Titrations, etc.

8 weekly sessions (12 hours in total), late-Oct to mid-Dec

$245 (discounted) for all recorded sessions, lecture notes, and problem sets in 2024-25

Detailed Introduction to Module 2 in 2024-25

Recording of Session 1 in 2024-25

Purchase the Recordings

Module 3 (open for signup NOW)

Module 1 (recordings available)

Module 3 (open for signup NOW)

for students with a 5 in AP exam or motivated students taking AP Chemistry concurrently

covers Descriptive Chemistry, Laboratory, Fundamental Orgo/Biochemistry, Electrochemistry, Thermo

8 weekly sessions (12 hours in total), early-Jan to late-Feb

$245 (discounted) for all recorded sessions, lecture notes, and problem sets in 2024-25

Detailed Introduction to Module 3 in 2024-25

Recording of Session 1 in 2024-25

Purchase the Recordings

Level 3 [Recordings] - Post-AP & USNCO National

Module 1 (recordings available)

for students who scored 40 or higher in USNCO Local 2024 (email chen@dcho.us for consultation)

covers Advanced Stoichiometry, Periodicity & Bonding, Coordination Chemistry, Reactions, etc.

8 weekly sessions (12 hours in total), late-Aug to mid-Oct

$299 (discounted) for all recorded sessions, lecture notes, and problem sets in 2024-25

Detailed Introduction to Module 1 in 2024-25

Recording of Session 1 in 2024-25

Purchase the Recordings

Module 2 (recordings available)

Module 1 (recordings available)

for students who scored 40 or higher in USNCO Local 2024 (email chen@dcho.us for consultation)

covers Integrated Chemical Principles [Kinetics, Thermodynamics, Equilibrium, Electrochemistry]

8 weekly sessions (12 hours in total), mid-Oct to mid-Dec

$299 (discounted) for all recorded sessions, lecture notes, and problem sets in 2024-25

Detailed Introduction to Module 2 in 2024-25

Recording of Session 1 in 2023-24

Purchase the Recordings

Module 3 (open for signup NOW)

Module 1 (recordings available)

Module 3 (open for signup NOW)

for students who scored 40 or higher in USNCO Local 2024 (email chen@dcho.us for consultation)

covers Applications in Thermodynamics, Descriptive Chemistry/Laboratory, Advanced Organic Chemistry

8 weekly sessions (12 hours in total), early-Jan to late-Feb

$299 (discounted) for all recorded sessions, lecture notes, and problem sets in 2024-25

Detailed Introduction to Module 3 in 2024-25

Recording of Session 1 in 2024-25

Purchase the Recordings

Level 4 [Recordings] - Study Camp & IChO

Module 1 (recording available)

for award-winning students in the 2024 Nationals, aim for Study Camp and the U.S. Team.

covers Advanced Reactions, Coordination Chemistry, Analytical Chemistry, etc.

8 weekly sessions (12 hours in total), late-Aug to mid-Oct

$345 (discounted) for all recorded sessions, lecture notes, and problem sets in 2024-25

Detailed Introduction to Module 1 in 2024-25

Recording of Session 1 in 2024-25

Purchase the Recordings

Module 2 (recordings available)

Module 1 (recording available)

for award-winning students in the 2024 Nationals, aim for Study Camp and the U.S. Team.

covers IChO-level Chemical Principles with an emphasis of problem solving

8 weekly sessions (12 hours in total), mid-Oct to mid-Dec

$345 (discounted) for all recorded sessions, lecture notes, and problem sets in 2024-25

Detailed Introduction to Module 2 in 2024-25

Recording of Session 1 in 2024-25

Purchase the Recordings

Module 3 (open for signup NOW)

Module 1 (recording available)

Module 3 (open for signup NOW)

for award-winning students in the 2024 Nationals, aim for Study Camp and the U.S. Team.

covers IChO-level Integrated Organic Chemistry with an emphasis of problem solving

8 weekly sessions (12 hours in total), early-Jan to late-Feb

$345 (discounted) for all recorded sessions, lecture notes, and problem sets in 2024-25

Detailed Introduction to Module 3 in 2024-25

Recording of Session 1 in 2024-25

Purchase the Recordings

Decoding of Chemistry Olympiad

Sign up for Dr. Chen's Summer AP Chemistry+ or Organic Chemistry Class — $50 Early Bird Discount!

AP Chemistry+ and Organic Chemistry - Summer 2025

AP Chemistry+

Organic Chemistry

Overview of Olympiad Training Classes in 25-26

In-Depth, On-Demand – Learn with Dr. Chen’s Class Recordings

Level 2 [Recordings] - AP Plus & USNCO Local

Module 1 (recordings available)

Module 1 (recordings available)

Module 1 (recordings available)

Module 2 (recordings available)

Module 1 (recordings available)

Module 1 (recordings available)

Module 3 (open for signup NOW)

Module 1 (recordings available)

Module 3 (open for signup NOW)

Level 3 [Recordings] - Post-AP & USNCO National

Module 1 (recordings available)

Module 1 (recordings available)

Module 1 (recordings available)

Module 2 (recordings available)

Module 1 (recordings available)

Module 1 (recordings available)

Module 3 (open for signup NOW)

Module 1 (recordings available)

Module 3 (open for signup NOW)

Level 4 [Recordings] - Study Camp & IChO

Module 1 (recording available)

Module 1 (recording available)

Module 1 (recording available)

Module 2 (recordings available)

Module 1 (recording available)

Module 1 (recording available)

Module 3 (open for signup NOW)

Module 1 (recording available)

Module 3 (open for signup NOW)

Sign up for Dr. Chen's Summer AP Chemistry+ or Organic Chemistry Class — $50 Early Bird Discount!

AP Chemistry+ and Organic Chemistry - Summer 2025

AP Chemistry+

Organic Chemistry

Overview of Olympiad Training Classes in 25-26

In-Depth, On-Demand – Learn with Dr. Chen’s Class Recordings

Level 2 [Recordings] - AP Plus & USNCO Local

Module 1 (recordings available)

Module 1 (recordings available)

Module 1 (recordings available)

Module 2 (recordings available)

Module 1 (recordings available)

Module 1 (recordings available)

Module 3 (open for signup NOW)

Module 1 (recordings available)

Module 3 (open for signup NOW)

Level 3 [Recordings] - Post-AP & USNCO National

Module 1 (recordings available)

Module 1 (recordings available)

Module 1 (recordings available)

Module 2 (recordings available)

Module 1 (recordings available)

Module 1 (recordings available)

Module 3 (open for signup NOW)

Module 1 (recordings available)

Module 3 (open for signup NOW)

Level 4 [Recordings] - Study Camp & IChO

Module 1 (recording available)

Module 1 (recording available)

Module 1 (recording available)

Module 2 (recordings available)

Module 1 (recording available)

Module 1 (recording available)

Module 3 (open for signup NOW)

Module 1 (recording available)

Module 3 (open for signup NOW)

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