All-Access Membership (Annual)
Unlimited access to all our SAT® resources, including explanations of 27 real tests and live classes, on an annual membership plan
Get unlimited annual access to all the digital resources offered by 1600.io at the time of registration, including over 250 hours of expert video instruction on real SAT exams, admission to all of our 1600.io Live online classes and special events (and access to the on-demand library of past sessions), extensive strategy information, our Tools and Resources, and over 700 video explanations for the practice problems and SkillDrills™ in the acclaimed 1600.io SAT Math Orange Book, with more being added all the time.
For the student who plans to be engaged in the SAT test preparation process for six months or longer, this all-access membership, billed and automatically renewed on an annual basis, and cancellable at any time, is our most economical option. For shorter study plans, our monthly membership is a better value.
This membership entitles you to all digital resources currently offered by 1600.io, including:
- Admission to all 1600.io Live online classes and special events and access to the complete on-demand library of past sessions
- Our famous SAT Strategy Course
- Autoscoring Answer Forms (AAFs) for every released SAT, allowing instant test scoring and one-click access to video explanations for any of the 4,000+ questions from those tests, along with links to the SAT Math Topic Explorer (SMTEx™) and citations to our trendsetting 1600.io SAT Math Orange Book
- Courses with our expert videos analyzing and explaining every Math, Reading and Writing question on the following real SATs (US, unless noted):
- Practice Tests 1 through 8
- April 2017 (Maine)
- May 2017
- Oct. 2017 (Practice test 9)
- March 2018
- April 2018 (Maine; also given as May 2018 International)
- May 2018
- Oct. 2018 (Practice test 10)
- March 2019
- April 2019
- May 2019 (US)
- May 2019 (International)
- October 2019
- March 2020
- October 2020
- March 2021
- April 2021
- May 2021 (US)
- May 2021 (International)
- October 2021
- 20 courses with over 700 video explanations for the practice problems and SkillDrills™ in the 1600.io SAT Math Orange Book, plus Autoscoring Answer Forms with helpful feedback and direct links to video explanations for each problem
- Access to our ever-growing Tools and Resources module, which includes the following items and more:
- SchedGen™, our automated SAT study schedule generator
- The Reading Section Mistake Analysis and Recommendation Tool (R-SMART™)
- Our proprietary compilation of the details of every history and literature passage that has appeared on any released PSAT or SAT, along with those from Khan Academy; each entry includes a link to the source text from which the excerpt was drawn, with many of those sources available to read online at no cost
- The SAT Math Topic Explorer (SMTEx™)
- Our college essay-writing course
Get started:
Frequently Asked Questions
When does my membership start and end?
Your membership is instantly activated as soon as the checkout process is complete. The membership automatically renews annually at your original rate until you decide you no longer need access to 1600.io. There is no minimum enrollment period; you can cancel anytime you like with no penalty, and your membership will continue until the end of the current billing year, at which point it will stop.
How do I end my membership to 1600.io when my SAT preparation is complete?
Simply go to your profile and select Manage Subscriptions. There, you'll see your membership, along with a Cancel button which, when clicked, will end your membership when the current year's billing period is over. You can end your membership whenever you like; there is no minimum enrollment period.
Your Instructor
After teaching thousands of students how to reach their potential on the SAT® through conventional in-person tutoring, George wanted to create an SAT resource that could reach a broader audience and provide students with comprehensive, in-depth instruction that they could absorb at their own pace. George achieved this goal by leveraging an innovative approach that shatters the traditional, expensive test-preparation model.
George received a bachelor's degree in mathematics from Yale University. In addition to being admitted to Yale, George was accepted to Princeton, Columbia, Dartmouth, and Johns Hopkins.
Get started:
Courses Included with Purchase
SAT® Strategy Course
Our famous 6-hour course that distills the proven SAT strategies tens of thousands of our students have used to crush the SAT
SAT Practice Test Autoscoring Answer Forms
Online answer forms for every released SAT, providing scoring, access to video explanations, math problem topic categorization, and more
Tools and Resources
A suite of facilities that support SAT test prep and college apps: a schedule generator, reading diagnostic tool, math topic explorer, and more
1600.io Live
Live and on-demand viewing of our popular online classes, where we teach math, reading, and writing, discuss test-prep topics, and hold Q&A sessions
Writing the Perfect College Application Essay
Our experts guide you through the process of crafting that perfect essay, from conception to final polish
SAT® Test 1 Analysis, Answers, and Explanations
12 hours — that's 154 questions — of in-depth analysis and instruction of College Board® Practice Test 1
SAT® Test 2 Analysis, Answers, and Explanations
11 hours — that's 154 questions — of in-depth analysis and instruction of College Board® Practice Test 2
SAT® Test 3 Analysis, Answers, and Explanations
Nearly 11 hours — that's 154 questions — of in-depth analysis and instruction of College Board® Practice Test 3
SAT® Test 4 Analysis, Answers, and Explanations
Over 10 hours — that's 154 questions — of in-depth analysis and instruction of College Board® Practice Test 4
SAT® Test 5 Analysis, Answers, and Explanations
Over 10 hours - that's 154 questions - of in-depth analysis and instruction of College Board® Practice Test 5
SAT® Test 6 Analysis, Answers, and Explanations
Over 10 hours - that's 154 questions - of in-depth analysis and instruction of College Board® Practice Test 6
SAT® Test 7 Analysis, Answers, and Explanations
Nearly 10 hours - that's 154 questions - of in-depth analysis and instruction of College Board® Practice Test 7
SAT® Test 8 Analysis, Answers, and Explanations
Over 11 hours - that's 154 questions - of in-depth analysis and instruction of College Board® Practice Test 8
SAT® Test 9/Oct. 2017 QAS Analysis, Answers, and Explanations
Over 11 hours - that's 154 questions - of in-depth analysis and instruction of Practice Test 9/Oct. 2017 QAS
SAT® Test 10/Oct. 2018 QAS Analysis, Answers, and Explanations
Nearly 8 hours - that's 154 questions - of in-depth analysis and instruction of Official Practice Test 10/October 2018 QAS
SAT® April US/May Int'l 2017 QAS Analysis, Answers, and Explanations
Over 11 hours - that's 154 questions - of in-depth analysis and instruction of the April 2017 (Maine)/May 2017 international QAS
SAT® May 2017 QAS Analysis, Answers, and Explanations
Over 11 hours - that's 154 questions - of in-depth analysis and instruction of the May 2017 QAS
SAT® March 2018 QAS Analysis, Answers, and Explanations
Nearly 10 hours - that's 154 questions - of in-depth analysis and instruction of the March 2018 QAS
SAT® April US/May Int'l 2018 QAS Analysis, Answers, and Explanations
Detailed analysis of all 154 questions of the reading, writing and language, no calculator, and calculator portions of the April 2018 QAS
SAT® May 2018 QAS Analysis, Answers, and Explanations
Over 9 hours - that's 154 questions - of in-depth analysis and instruction of the May 2018 QAS
SAT® March 2019 QAS Analysis, Answers, and Explanations
Detailed analysis of all 154 questions of the reading, writing and language, no calculator, and calculator portions of the March 2019 QAS
SAT® April 2019 QAS Analysis, Answers, and Explanations
Detailed analysis of all 154 questions of the reading, writing and language, no calculator, and calculator portions of the April 2019 QAS
SAT® May 2019 US QAS Analysis, Answers, and Explanations
Detailed analysis of all 154 questions of the reading, writing and language, no calculator, and calculator portions of the May 2019 US QAS
SAT® May 2019 International QAS Analysis, Answers, and Explanations
Detailed analysis of all 154 questions of the reading, writing and language, no calculator, and calculator portions of the May 2019 International QAS
SAT® October 2019 US QAS Analysis, Answers, and Explanations
Detailed analysis of all 154 questions of the reading, writing and language, no calculator, and calculator portions of the October 2019 US QAS
SAT® March 2020 QAS Analysis, Answers, and Explanations
Detailed analysis of all 154 questions of the reading, writing and language, no calculator, and calculator portions of the March 2020 QAS SAT®
SAT® October 2020 QAS Analysis, Answers, and Explanations
Detailed analysis of all 154 questions of the reading, writing and language, no calculator, and calculator portions of the October 2020 QAS SAT®
SAT® March 2021 QAS Analysis, Answers, and Explanations
Detailed analysis of all 154 questions of the reading, writing and language, no calculator, and calculator portions of the March 2021 QAS SAT®
SAT® April 2021 QAS Analysis, Answers, and Explanations
Detailed analysis of all 154 questions of the reading, writing and language, no calculator, and calculator portions of the April 2021 QAS SAT®
SAT® May 2021 US QAS Analysis, Answers, and Explanations
Detailed analysis of all 154 questions of the reading, writing and language, no calculator, and calculator portions of the May 2021 US QAS SAT®
SAT® May 2021 Int'l QAS Analysis, Answers, and Explanations
Detailed analysis of all 154 questions of the reading, writing and language, no calculator, and calculator portions of the May 2021 Int'l QAS SAT®
SAT® October 2021 QAS Analysis, Answers, and Explanations
Detailed analysis of all 154 questions of the reading, writing and language, no calculator, and calculator portions of the October 2021 QAS SAT®
SAT Math Orange Book Problem Explanations: Chapter 1 - Linear Relationships
Video explanations for every practice problem and SkillDrill™ in chapter 1 (Linear Relationships) of the 1600.io SAT Math "Orange Book"
SAT Math Orange Book Problem Explanations: Chapter 2 - Slope-Intercept Form
Video explanations for every practice problem and SkillDrill™ in chapter 2 (Slope-Intercept Form) of the 1600.io SAT Math "Orange Book"
SAT Math Orange Book Problem Explanations: Chapter 3 - Standard Form/Parallel and Perpendicular Lines
Video explanations for every practice problem and SkillDrill™ in chapter 3 (Standard Form/Parallel and Perpendicular Line) of the 1600.io SAT Math "Orange Book"
SAT Math Orange Book Problem Explanations: Chapter 4 - Systems of Linear Equations
Video explanations for every practice problem and SkillDrill™ in chapter 4 (Systems of Linear Equations) of the 1600.io SAT Math "Orange Book"
SAT Math Orange Book Problem Explanations: Chapter 5 - Linear Inequalities & Absolute Value
Video explanations for every practice problem and SkillDrill™ in chapter 5 (Linear Inequalities & Absolute Value) of the 1600.io SAT Math "Orange Book"
SAT Math Orange Book Problem Explanations: Chapter 6 - Exponents and Radicals/Roots
Video explanations for every practice problem and SkillDrill™ in chapter 6 (Exponents and Radicals/Roots) of the 1600.io SAT Math "Orange Book"
SAT Math Orange Book Problem Explanations: Chapter 7 - Introduction to Polynomials
Video explanations for every practice problem and SkillDrill™ in chapter 7 (Introduction to Polynomials) of the 1600.io SAT Math "Orange Book"
SAT Math Orange Book Problem Explanations: Chapter 8 - Solving Quadratic Equations
Video explanations for every practice problem and SkillDrill™ in chapter 8 (Solving Quadratic Equations) of the 1600.io SAT Math "Orange Book"
SAT Math Orange Book Problem Explanations: Chapter 9 - Extraneous Solutions and Dividing Polynomials
Video explanations for every practice problem and SkillDrill™ in chapter 9 (SAT Math Orange Book Problem Explanations: Ch) of the 1600.io SAT Math "Orange Book"
SAT Math Orange Book Problem Explanations: Chapter 10 - The Graphs of Quadratic Equations and Polynomials
Video explanations for every practice problem and SkillDrill™ in chapter 10 (The Graphs of Quadratic Equations) of the 1600.io SAT Math "Orange Book"
SAT Math Orange Book Problem Explanations: Chapter 11 - Number and Types of Zeros/Imaginary and Complex Numbers
Video explanations for every practice problem and SkillDrill™ in chapter 11 (Zeros/Imaginary and Complex Numbers) of the 1600.io SAT Math "Orange Book"
SAT Math Orange Book Problem Explanations: Chapter 12 - Ratios, Probability, & Proportions
Video explanations for every practice problem and SkillDrill™ in chapter 12 (Ratios, Probability, & Proportions) of the 1600.io SAT Math "Orange Book"
SAT Math Orange Book Problem Explanations: Chapter 13 - Percentages
Video explanations for every practice problem and SkillDrill™ in chapter 13 (Percentages) of the 1600.io SAT Math "Orange Book"
SAT Math Orange Book Problem Explanations: Chapter 14 - Exponential Relationships
Video explanations for every practice problem and SkillDrill™ in chapter 14 (Exponential Relationships) of the 1600.io SAT Math "Orange Book"
SAT Math Orange Book Problem Explanations: Chapter 15 - Scatterplots and Line Graphs
Video explanations for every practice problem and SkillDrill™ in chapter 15 (Scatterplots and Line Graphs) of the 1600.io SAT Math "Orange Book"
SAT Math Orange Book Problem Explanations: Chapter 16 - Functions
Video explanations for every practice problem and SkillDrill™ in chapter 16 (Functions) of the 1600.io SAT Math "Orange Book"
SAT Math Orange Book Problem Explanations: Chapter 17 - Statistics
Video explanations for every practice problem and SkillDrill™ in chapter 17 (Statistics) of the 1600.io SAT Math "Orange Book"
SAT Math Orange Book Problem Explanations: Chapter 18 - Unit Conversions
Video explanations for every practice problem and SkillDrill™ in chapter 18 (Unit Conversions) of the 1600.io SAT Math "Orange Book"
SAT Math Orange Book Problem Explanations: Chapter 19 - Angles, Triangles, and Trigonometry
Video explanations for every practice problem and SkillDrill™ in chapter 19 (Angles, Triangles, and Trigonometry) of the 1600.io SAT Math "Orange Book"
SAT Math Orange Book Problem Explanations: Chapter 20 - Circles and Volume
Video explanations for every practice problem and SkillDrill™ in chapter 20 (Circles and Volume) of the 1600.io SAT Math "Orange Book"
Acing the SAT® Essay
Demystifying the SAT® Essay