TACHS practice and lessons
Free practice for the 2026 TACHS in reading, written expression, math and ability.
Daily practice
Answer today’s question, then read the explanation.
365 daily questions, mixed across topics and difficulty. None repeats until you have seen them all.
What’s on the TACHS
Reading
main idea, author’s purpose, factual and inferential comprehension, evaluation, vocabulary in context.
Written Expression
passage organization, sentence revision, clarity and effective expression, standard English, line-error identification.
Mathematics
number sense and operations, algebraic patterns, data analysis, probability and statistics, geometry, measurement.
Ability
figure matrices, paper folding, figure classification.
How TACHS scoring works
The Home Report gives national and local percentile ranks for achievement areas and Ability. Total Achievement is a weighted composite; do not average the visible percentiles.
Open the score calculator- TACHS reported-percentile target
- Compare a reported NPR or LPR with your own target for the same subject and norm group.
Free sample lessons
Evidence: find the reason the passage gives
Learn to answer “why did the character do that?” questions with the reason the passage states, and to reject reasons that only sound sensible in real life.
Start sample lessonSubject-verb agreement: find the real subject
Match every verb to its true subject, even when a phrase full of other nouns sits between them.
Start sample lessonPercent change: sale prices, increases and working backward
Learn to find a sale price, a percent increase or decrease, and an original price, using one idea: every percent is taken of a starting amount.
Start sample lessonParagraph openings: choose the sentence that covers it all
Pick a first sentence that announces what the whole paragraph is about and fits every sentence that follows.
Start sample lessonGuides and resources
Understand your scores
All calculators & score tools
Score range
What is a good score?
Scoring explained
Visual reasoning without guesswork
Teaching notes and examples for focused review. Use the family lessons and annual question bank to practice these methods.
Open referenceMath setup and checking
Teaching notes and examples for focused review. Use the family lessons and annual question bank to practice these methods.
Open referenceReading evidence and inference
Use these distinctions to justify a reading answer. Each card states a method and an original example; the reading lessons develop the method with full passages.
Open referenceWritten Expression revision checks
Read revisions in context. These cards distinguish grammar checks from paragraph decisions and use original sentences.
Open referenceStudy plans
Pick a 2-week, 1-month or 2-month schedule and check off each day as you go.
Frequently asked questions
Who is this TACHS preparation for?
Eighth graders applying to participating New York Catholic high schools.
How is TACHS scored?
The Home Report gives national and local percentile ranks for achievement areas and Ability. Total Achievement is a weighted composite; do not average the visible percentiles.
What practice is available?
You get 368 practice questions, 73 lessons, a question bank you can filter, and timed practice sets. The daily question is different every day for 365 days. Full-length practice tests aren’t available yet.
Can I save my progress?
Your daily answers, practice sets, lesson notes and study-plan checklists are saved on this device, so you can pick up where you left off without an account.
Is there a free trial for TACHS prep?
Yes. TACHS prep starts with a 7-day free trial with full access to the course, practice tests and question bank. Nothing is due today, and if you cancel before day 8 you won’t be charged.