We are firm believers in one-to-one test preparation. Every student has individual strengths and weaknesses that are most efficiently addressed with a personalized approach. 

However, one-to-one test preparation requires an investment of time and money. If you are short on either or both, take a look at these free or low cost online options.

Test Preparation -  Free and Fee-based

A sampling of helpful and best of all, free, websites:

• Khan Academy  Download a real, full-length SAT practice test, watch Sal Khan work through real SAT problems, and get even more practice using unreleased problems from real SATs grouped by topic and difficulty level. 
• Free SAT Math  Love to practice SAT math, love this site!  It is a no-nonsense, easy to use, site, excellent for a student who wants to be able to practice SAT math problems.  There is no navigation whatsoever.   The home page consists of four columns.  The first column contains a math problem.  The column to the right contains the "bubbles" as well as a box to check if you want to be asked the question again (if you get it wrong).  If the bubble that you check is the wrong answer, you can click on a HELP button.  Each time that you click, more of the solution and explanation is displayed.  You also have the option of clicking "Skip" which will take you to another problem.  The third column offers same reference formula box as actual SAT. For straightforward SAT math practice, this is your go-to site!  Who wouldn't benefit from that?!
• www.studimetrics.com  Use this site in conjunction with the 10 practice tests in the Official SAT Study Guide.  Studimetrics will score and identify the types of questions where you are losing points.  Then it will show you ways to study in these areas.

• www.sparknotes.com/testprep  Spark Notes has information on the SAT, ACT and even AP exams and SAT Subject Tests.  The site provides a detailed breakdown of each component of the test, offers tips on how to study for the tests, and for the SAT, offers a section on strategies.
• McGraw-Hill  Education Practice Plus Visit this site to take full length practice tests for the SAT,ACT, AP, and PSAT tests. You will have to register to take the practice SAT, but the other practice tests do not require registration.  During the practice test, you can opt out any time and get a partial score. Choose to review your answers, and not only will you learn which ones you got right (or wrong!), but you will see how the problem can be solved.  The site also offers thirteen videos about how to take the ACT.
• http://ineedapencil.ck12.org  Registration is quick.  You can start by taking a practice test. and then move on to over 800 practice exam questions that simulate the SAT, with full explanations  All materials are downloadable, too!
• www.number2.com Number2 was  founded by two Harvard graduate students and a Penn State physics professor. It will remain free because it earns revenue from licensing and sponsorships. The best feature is the SAT companion tutor, which teaches students how to approach each kind of question and monitors student progress. There  is no   diagnostic test, but the  site software adapts to a student's skill level.
• www.petersons.com Petersons would prefer that you buy their books on test preparation, and in order to entice you to do so, the site offers a preview of book content. For the SAT, ACT, PSAT and even a handful of SAT Subject tests, you can access sample test questions and tips for success.
  
  

And here are a few fee-based websites which can also help:

• http://www.actstudent.org/onlineprep/ The most effective test preparation will come from the makers of the tests. This is the ACT's own test prep website, and it contains only "real" ACT questions.  It is a paid service, at a very reasonable annual fee. Features include: Practice tests with real ACT test questions, practice essays for the new optional ACT Writing Test, with real-time scoring, comprehensive content review for each of the ACT's four required tests—English, Math, Reading, and Science, diagnostic test and personalized Study Path.  
• www.ePrep.com  ePrep provides online SAT, ACT, PSAT, and PLAN test preparation courses delivered by experts through on-demand video lessons for a monthly fee.
• www.benchprep.com At Bench Prep, you can access online courses which include lesson videos, practice tests and flashcards.  Several subjects have apps so that you can bring your prep with you, no matter where you go!  The site charges a monthly fee based on the level of prep that you select.
• http://sat.magoosh.com  Magoosh offers online video instruction for the SAT.  Each practice question has its own video explanation of concepts, shortcuts and pitfalls. You can also access a library of video lessons. If you need more support, you can work with an online tutor.
• https://grockit.com/ Grockit is part of Kaplan Test Prep, but it's approach is different.  You can analyze and track your performance based on content area, difficulty, and time spent on each question. The online software is adaptive, meaning that Grockit learns what you get wrong, and gives you more questions on the material you need to work on most.  If you are motivated by learning with friends, Grockit allows for collaboration and competion with peers.  You can also access videos from expert instructors.