About Shelby Joe

Shelby Joe 周 is the Founder of Piqosity. He has more than 20 years of experience in education as an entrepreneur, professor, and tutor. Shelby earned his BA in Political Science from Rice University. Born and raised in Mississippi, he now resides in Houston but has also lived in Beijing, Shanghai, and Hamburg.

Digital SAT Practice Tests – Free, Full-Length, & Adaptive

Piqosity is publishing 12 Digital SAT practice tests, and these tests are currently available for free! Just like the real Digital SAT, Piqosity's full-length Digital SAT tests are comprised of 54 Reading and Writing Questions and 54 Math questions. No credit card or phone number required Full-length and adaptive Completely free through May 2024 [...]

By |2024-02-22T12:21:13-06:00February 19th, 2024|SAT Test Prep, ZPQA ACT, ZPQA Org Admin, ZPQA SAT, ZPQA Teacher|

How Long Should You Study for the Digital SAT Test?

Every student, parent, and school administrator always asks us, “how long does it take to improve an ACT or SAT score?” Asked to anyone else, the generic response that you’ll usually get for this admittedly broad question is “experts say about 10-20 hours.” But who are these experts and what does that mean? Can [...]

By |2024-02-08T16:20:33-06:00February 8th, 2024|SAT Test Prep|

ISEE Sample Essay Prompts and Responses

The ISEE Essay is the fifth and final section of the ISEE lower, middle, and upper level tests. This personal essay is not scored; however, a copy of it is sent to each school to which families send their scores. Students have 30-minutes in which to write up to 2 pages in response to [...]

By |2024-01-23T10:45:55-06:00January 23rd, 2024|Favorites, ISEE Test Prep|

How to Improve Reading Comprehension Skills for Standardized Tests Like ACT and SAT

English teachers will often tell you that the only way to improve your reading comprehension skills is to simply read more. While sound and well-intentioned, this advice probably isn’t very helpful if you must quickly improve your skills, for example earning a higher score on a standardized test like the ISEE, ACT or SAT. [...]

The Differences Between the ACT and SAT

If you're a high schooler getting ready for the college admissions process, you may be wondering about the differences between ACT and SAT exams. Versus the SAT, the ACT generally requires students to know more advanced concepts and work more quickly. Our experience working with thousands of students over the last 18 years is that [...]

By |2024-01-05T16:52:07-06:00January 3rd, 2024|ACT Test Prep, SAT Test Prep|

App Update to Teacher Assignments

Happy holidays from all of us at Piqosity! This morning our engineering team deployed a major update to the very popular Assignments feature whereby teachers can create assignments with both lessons and questions for students with due dates. We completely rewrote the backend code to improve performance and updated the user interface to be [...]

By |2023-12-28T11:50:39-06:00December 28th, 2023|Piqosity News, ZPQA Org Admin, ZPQA Org Teacher, ZPQA Teacher|

App Update to Personalized Practice

Our engineering team took a break from the post-Thanksgiving Black Friday and Cyber Monday shopping frenzy to push a big app update, particularly to the student features of Personalized Practice and Review Activities. Highlights from this update include: Personalized Practice is completely rewritten both with the student user interface and backend engineering. We updated [...]

By |2023-12-18T11:21:50-06:00November 29th, 2023|Favorites, Piqosity News|

ACT Practice Tests, 12 Full-Length

Piqosity’s market leading ACT test prep course just got even better. Our top tier Advanced package now includes 12 full-length ACT practice tests, and the middle tier Honors package now includes 6 full-length ACT practice tests. We’ve also added hundreds of new questions to our Personalized Practice feature. The new ACT practice tests are [...]

By |2023-10-24T16:41:48-05:00October 24th, 2023|ACT Test Prep, ZPQA ACT, ZPQA SAT, ZPQA Teacher|

Free ACT Official Practice Test PDFs and Answer Explanations

This page contains professionally-written answer explanations to the freely available, official ACT practice tests floating around on the internet. Depending on the year, either the ACT or the SAT is the most popular college admissions test in the United States. About 1.3 million students in the graduating class of 2022 took the ACT or [...]

By |2023-10-10T17:21:45-05:00October 10th, 2023|ACT Test Prep, ACT: Answer Explanations, College Resources, Favorites|
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