The PSAT test dates of 2015 have come and gone, but they are not forgotten - especially for students aiming to become National Merit Finalists. This guide will go over the exact PSAT test dates in 2015, as well as discuss how test-takers can make the most of their PSAT score reports today.

If you’re looking for future PSAT test dates, then check out this guide instead. If you’re in the right spot, then read on to learn about how the PSAT testing schedule works for participating students.

INFJs are the rarest of the Meyers-Briggs personality types, making up less than one percent of the population. Often known as "diplomats," INFJs are known as idealistic doers who will fight tirelessly for causes they believe in. But what does that mean for what INFJs are like day-to-day as friends, co-workers, family members, and romantic partners? Are they closed off? Are they helpful? Is an INFJ funny? Read on to find out more.

Learning a foreign language isn't always easy, especially when it comes to vocabulary. (I've been studying Japanese for years and still have trouble remembering words!) Luckily, there are many ways you can learn English vocabulary—and some of them are even a little fun!

In this guide, we go over the top five methods you can use to learn English words and give you a few tips on how to find English words to study.

Sometimes you need a break from traditional studying. But have you ever considered using games to learn English? Whether you're preparing for the TOEFL or simply want to improve your English abilities, there are many English-learning games out there that are high quality and effective—not to mention fun!

Read on to see our picks for the best games for learning English for both groups and solo learners. But first, what makes an English-learning game good?

Looking to improve your language skills but not sure how to learn English? Learning a foreign language is a long process, and along the way you'll need to make a lot of decisions. How often should you study? Should you get a tutor or study on your own? How can you make sure you practice English every day? What should you do if you find yourself getting bored?

In this guide, we'll walk you through each step you need to follow for how to learn English. We'll explain how to set up a study schedule, which tools you should use, how you can keep yourself motivated, and more. By the end of this guide, you'll have all the information you need to know for the best way to learn English.

If you plan on taking the PSAT in October 2017, then you won’t have to wait too long for the results. You’ll get your scores back mid-December, just before winter break.

Your PSAT score report gives you a few different score types, including your total scores, section scores, and Selection Index. With all this data, how can you sort through the numbers to figure out what's a good PSAT score?

This guide goes over the full scoring system of the PSAT so you'll know exactly what makes a good score. We'll start with a quick glossary explaining the various types of PSAT scores you’ll find on your score report in December.

Questions about both circles and various types of polygons are some of the most prevalent types of geometry questions on the ACT. Polygons come in many shapes and sizes and you will have to know them inside and out in order to take on the many different types of polygon questions the ACT has to offer.

The good news is that, despite their variety, polygons are often less complex than they look; a few simple rules and strategies are all that you need when it comes to solving an ACT polygon question.

This will be your complete guide to ACT polygons—the rules and formulas for various polygons, the kinds of questions you’ll be asked about them, and the best approach for solving these types of questions.

If you want to excel on the TOEFL, one of the skills you need is a strong vocabulary. Many TOEFL questions either ask you the definition of a word outright or require you to have knowledge of certain words in order to answer a question correctly.

The best way to learn new vocab is to use flashcards, which is why we've created printable flashcards of the 327 TOEFL vocab words you must know for the test. We'll also discuss the best method for studying your TOEFL vocabulary flashcards and give reviews of some of the other TOEFL flashcard sets that are available.

In 2014, the College Board released a giant 210-page specification for the redesigned SAT which first started being implemented in the Spring of 2016.

We’ve read through this document page by page so you don't have to. This article is a new SAT guide that will go through the most relevant points for students, parents, and educators to understand about the new SAT test. We'll dig deeper than most of the guides out there, which seems preoccupied with superficial changes like easier vocabulary and the shift to a 1600 scale.

Many juniors and even sophomores take the PSAT every fall to prepare for the SAT. But the PSAT isn’t a college admission test, so do you actually need to prep for it? The reality is, PSAT prep can strongly benefit you, especially if you're hoping to nab a National Merit scholarship or get a high score on the SAT

In this article, we explain why PSAT prep is important and go over how to prepare for the PSAT using five simple steps. In addition, we discuss what kinds of resources are ultimately unnecessary for quality PSAT preparation as well as how PSAT prep differs from SAT prep.

What can you substitute for vegetable oil? Can you substitute olive oil for vegetable oil? In this article we will help you figure why you might want a substitute for vegetable oil and give five vegetable oil substitutes you could use.

Studying statistics? Then you've likely heard the phrase "normal distribution" when describing data. But what about the phrase "skewed right"? What does a right-skewed histogram look like? And what causes it?

In this article, we give you examples of histograms skewed to the right and explain how these differ from normal distribution graphs.

Deciding when to take the SAT can be stressful because the best test dates aren't the same for everyone. Levels of preparation, goal scores, and other academic conflicts should all be considered in devising the most logical testing schedule for each student. The following is a full description of the pros and cons of each SAT test date in the 2017-2018 school year for sophomores, juniors, and seniors. You can use this guide to come up with a game plan that works for you!

Integers, integers, integers (oh, my)! You've already read up on your basic ACT integers and now you're hankering to tackle the heavy hitters of the integer world. Want to know how to (quickly) find a list of prime numbers? Want to know how to manipulate and solve exponent problems? Root problems? Well look no further!

This will be your complete guide to advanced ACT integers, including prime numbers, exponents, absolute values, consecutive numbers, and roots—what they mean, as well as how to solve the more difficult integer questions that may show up on the ACT.

A probability question asks you to identify how likely a particular event is to occur. How likely is it that you’ll pick a red marble out of a bag? How likely is it that a particular person will be chosen out of a lottery? How likely is it that two or more events will both occur? These are just some of the many different types of probability questions you may encounter on the SAT.

This guide will take you through all aspects of probability you’ll need to know for the SAT—exactly what probability means, the typical probability questions you’ll see on the SAT math section, and the steps needed to solve them.