TJ class prep
Prep for TJ math, science, computer science and research classes.
Each course follows one class: short lessons on every idea, original practice, and a complete worked solution or explanation for every problem. The courses listed as open are ready now, and the rest of the classes below are on the way.
Open now
Usually taken in 9th or 10th grade
AP Precalculus
Lessons and original problems in the format of a TJ unit test, every one with a complete worked solution. All four units are open now.
Usually taken in 10th, 11th, or 12th grade
Advanced Astronomy: Solar System
Short lessons and original problems written to match the depth of the TJ course, every one with a complete worked solution. All five units are open now.
Usually taken in 10th, 11th, or 12th grade
AP Physics C: Electricity and Magnetism
Short lessons and original problems that build understanding first, with problems that combine several ideas, every one with a complete worked solution. All five units are open now.
Usually taken in 10th or 11th grade
AP Calculus BC
Lessons that start from zero, then original problems at the depth of a hard unit test, every one with a complete worked solution. All ten units are open now.
For admitted students, in the spring before 9th grade
Java for TJ: CS Readiness Prep
For students admitted to TJ who will take the CS Readiness Assessment. Java taught from zero, original practice written to be worked on paper, a diagnostic, and two timed practice tests. Every unit is open now.
Usually taken in 9th, 10th, or 11th grade
Honors Chemistry
A full honors chemistry course taught with worked examples and original problems, from the first atom to electrochemistry, every one with a complete worked solution. All five units are open now.
Usually taken in 9th grade
IBET Biology
A full honors biology course taught with worked examples and original problems, from experimental design and research skills through cells, energy, genetics, microbes, evolution, ecology and the human body, every one with a complete worked solution. All six units are open now.
Usually taken in 10th, 11th, or 12th grade
AP Physics C: Mechanics
A full calculus-based mechanics course taught with worked examples and original problems, from kinematics to oscillations, every one with a complete worked solution. All seven units are open now.
Usually taken in 11th or 12th grade
Multivariable Calculus
A full multivariable calculus course taught with worked examples and original problems, from vectors and space curves through partial derivatives, optimization and multiple integrals to Green, Stokes and the divergence theorem, every one with a complete worked solution. All five units are open now.
Usually taken in 9th or 10th grade
AP Human Geography
A full AP Human Geography course taught with a short lesson on every topic and original practice built on invented maps, charts and models, with AP-style free-response questions and a worked answer for every question. All seven units are open.
Usually taken in 9th grade
Geometry Honors
A full Geometry Honors course taught with worked examples and original, proof-heavy practice with diagrams, from reasoning and proof foundations through congruence, similarity, circles, coordinate geometry and solids, every problem with a complete worked solution. All eight units are open now.
Usually taken in 11th or 12th grade
AP Calculus AB
A full AP Calculus AB course taught with worked examples and original practice, from limits and continuity through derivatives, integrals, differential equations and their applications, every problem with a complete worked solution. All eight units are open now. Students taking BC use the AP Calculus BC course.
Usually taken in 11th or 12th grade
Linear Algebra
A complete first course in linear algebra, with exact calculations, geometric reasoning and clear proofs, from systems and matrices through vector spaces, eigenvalues, orthogonality, quadratic forms and the SVD. Every problem has a full worked solution. All seven units are open now.
After AP Physics 1, with precalculus
AP Physics 2
An independent algebra-based AP Physics 2 prep course, from thermal energy and electric charge through circuits, magnetism, optics and modern physics. Connect physical models, measurements and explanations. Every original problem has a full worked explanation.
With algebra and basic trigonometry
AP Physics 1
An independent algebra-based AP Physics 1 prep course, from motion and forces through energy, momentum, rotation, oscillations and fluids. Connect diagrams, measurements and physical explanations. Every original problem has a full worked explanation.
Usually taken in 9th or 10th grade
Algebra 2 Honors
A complete honors Algebra 2 course, from functions and quadratics through logarithms, sequences, conics, trigonometry and probability. Every original problem has a full worked solution. All eight units are open now.
Usually taken in 10th, 11th or 12th grade
AP Statistics
An independent AP Statistics prep course, from data and study design through probability, sampling distributions, inference for proportions and means, and regression. Choose a method, carry out the calculation, and explain what the evidence supports. Every original problem has a full worked explanation.
Usually taken in 11th or 12th grade
Differential Equations
A first course in differential equations, from first-order models through linear equations and oscillations, Laplace transforms, systems, numerical methods and boundary-value problems. Connect equations, solution curves and the assumptions behind each model. Every original problem has a full worked explanation.
Usually taken in 10th or 11th grade
AP Biology
An independent AP Biology prep course, from chemistry, cells and energy through heredity, gene expression, evolution and ecology. Interpret original experimental data, connect structure to function, and build clear explanations from evidence. Every original problem has a full worked explanation.
After introductory chemistry
AP Chemistry
An independent AP Chemistry prep course, from atomic structure and bonding through reactions, kinetics, equilibrium, acids and bases, and electrochemistry. Connect particle models, calculations and experimental evidence. Every original problem has a full worked explanation.
Precalculus algebra or equivalent
Concrete Mathematics
An independent course in discrete mathematics. Build proofs, work with sums and recurrences, and connect number theory, counting and finite probability through exact reasoning. Every original problem has a full worked explanation.
No prior programming required
Foundations of Computer Science
An independent beginner course in computer science. Learn to read, run and repair Java programs, then explain their behavior using precise inputs, traces and tests. Every original problem has a full worked explanation.
Algebra, functions and trigonometry
Intro to Calculus
An independent introduction to differential calculus, from limits and continuity through derivatives and their applications. Connect formulas, graphs and local behavior, then justify each conclusion. Every original problem has a full worked explanation.
AP core plus Java and Data Structures extension
AP Computer Science A and Data Structures
An independent AP Computer Science A prep course with a separate Java and Data Structures extension. Build and trace Java programs, justify algorithms and choose structures under clear contracts. Every original problem has a full worked explanation.
After Honors Biology and Honors Chemistry
AP Environmental Science
An independent AP Environmental Science prep course, from ecosystems and populations through land, water and energy use, pollution and global change. Interpret data, connect environmental mechanisms and evaluate solutions with clear limits. Every original problem has a full worked explanation.
After AP Statistics
Statistical Models for Data Science
An independent course in statistical modeling. Fit lines, compare groups and write what a coefficient does and does not show. Every original problem has a full worked explanation.
After basic calculus and basic physics
Advanced Mathematical Techniques
An independent course in mathematical techniques for science. Use special functions, generating functions, models, waves and complex amplitudes, and check each result exactly. Every original problem has a full worked explanation.
After multivariable calculus
Complex Analysis
An independent course in complex analysis. Compute with analytic functions, integrals, series and residues, and connect each result to the plane. Every original problem has a full worked explanation.
Usually taken in 11th or 12th grade
Bionanotechnology
An independent course in bionanotechnology. Connect size, forces, and biological machines, and say what a result does and does not show. Every original problem has a full worked explanation.
Coming soon
Open a class to see what its course will include, and leave your email to hear when it opens.
Science
- Organic and Analytical ChemistryUsually taken in 11th or 12th grade
- Quantum and ElectrodynamicsUsually taken in 11th or 12th grade
- BioinformaticsUsually taken in 11th or 12th grade
- DNA ScienceUsually taken in 10th or 11th grade
- NeurobiologyUsually taken in 11th or 12th grade
- Advanced Marine BiologyUsually taken in 10th, 11th, or 12th grade
Computer Science
- Artificial IntelligenceUsually taken in 11th or 12th grade
- Computer VisionUsually taken in 11th or 12th grade
- Machine LearningUsually taken in 12th grade
- Mobile and Web App DevelopmentUsually taken in 11th or 12th grade
- Computer Simulation and Game DevelopmentUsually taken in 11th or 12th grade
- AP CybersecurityUsually taken in 10th, 11th, or 12th grade