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TACHS Online Prep Course

All the strategies and practice you need to Master the™ TACHS

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Subscribe to Peterson's to get this and all of our test prep including:

  • PSAT/NMSQT Online Practice Tests
  • HSPT Online Prep Course
  • And over 150 other tests!
Our TACHS Online Prep Course includes:
  • Looking to get your best high school placement for next school year? Our most comprehensive option with customized test prep strategy, instructional content, and ample opportunity for practice.
  • Completely master each subject on the TACHS with over 30 exclusively written subject-based lessons from Peterson’s test prep experts.
  • 5 practice tests, all fully-aligned with the most recent TACHS exam.
  • Flashcards & mini-quizzes test your skills
  • Learn where you want, when you want. Dynamic delivery means you can practice at your own pace for the TACHS on your mobile device, tablet, or computer.
  • Best for: test takers wanting thorough guided instruction and those desiring the highest score increase.

Subscribe to Peterson's to get this and all of our test prep including:

  • PSAT/NMSQT Online Practice Tests
  • HSPT Online Prep Course
  • And over 150 other tests!
A diagnostic test maps your strengths and weaknesses
30+ skill building lessons so you can master the questions
Learn the best tactics and approach the test purposefully
Full-length practice tests


What is the TACHS?

The Test for Admission into Catholic High Schools, or TACHS, is the admissions test for students wishing to attend Catholic high schools in and around New York City.

How is the TACHS exam scored?

The TACHS exam score is a percentile rank between 1 (low) and 99 (high) where 50 is the average. A good score is considered to be 70-99.

Should I prep for the TACHS exam? And how much?

TACHS exams can be taken only once per student. As such, preparation, especially with practice tests, before the exam is very important.

Preparation times will of course vary from student to student, but to study the most efficiently it is recommended that students use online test preparation or books which have diagnostic test and test taking strategies. Diagnostic tests allow students to see their strengths and weaknesses so they can focus their study efforts and minimize required study time to pass the exam.

How do I register for the TACHS exam?

You have two options for registering for the TACHS:

  1. Internet registration – Visit and follow the steps to register online. This is the preferred method and is open to students, parents, guardians, and principals.
  2. Phone registration – Students, parents, and guardians can also register for the TACHS by phone, by calling 1-866-61TACHS and speaking with a live operator, who will walk you through the process.
Why Petersons?

Peterson's - Improving Scores Since 1966

Why Peterson’s? Peterson’s is the world’s leading educational services company dedicated to furthering education after high school and beyond. From culinary school to medical school—and everything in-between–Peterson’s helps you discover, prepare for and fund your education.

Every year over 500,000 students use Peterson’s books, practice tests. and learning tools to ace their exams. We are also exceptionally proud to be the official test-prep provider of the DSST. which provides college credit by exam for our men and women in uniform across the globe.


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"I especially liked the tips about how to approach different question types and the alerts that highlight common misconceptions as well as test-taker traps to watch out for."


With digital and print prep guides for over 150 exams and tests, there’s nowhere you can’t go with Peterson’s by your side. Trusted since 1966 by institutions far and wide.

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