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.

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 |2024-03-21T10:36:45-05:00October 24th, 2023|ACT Test Prep, 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|

12 ISEE Practice Tests, Full-Length

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

By |2024-01-11T09:57:45-06:00September 27th, 2023|ISEE Test Prep, Piqosity News, ZPQA ISEE|

PSAT Digital Free Full Length Practice Test

For the new digital PSAT, Piqosity offers a full-length practice test completely free! Just like the real PSAT, Piqosity's digital PSAT is comprised of 54 Reading and Writing Questions and 54 Math questions. No credit card or phone number required Full-length and adaptive Completely free The Reading and Writing test is divided into 2 [...]

By |2024-01-11T09:59:35-06:00September 25th, 2023|SAT Test Prep|

Mississippi National Merit Semifinalists 2023-2024

For 163 Mississippi high school seniors, the 2024 National Merit Scholarship Competition brought good news: these high-achieving students have earned the celebrated “Semifinalist” designation. In order to do so, they had to score among the top 1% of Mississippi students who took the PSAT/NMSQT in October of 2022.  As a percentage of the senior [...]

By |2023-09-15T16:21:48-05:00September 15th, 2023|SAT Test Prep|

How to Tutor the ISEE, a Guide to Getting Started

ISEE (commonly pronounced I-See) is an acronym that stands for the Independent School Entrance Exam and is taken by students applying to private schools in the United States. This peer-normed, standardized test is commonly taken for students applying to middle school (grades 5/6-8) and high school (grades 9-12). Students can also take the test [...]

By |2023-09-01T14:42:10-05:00September 1st, 2023|ISEE Test Prep, Teachers & Tutors, ZPQA Teacher|

App Service Disruption

Dear Piqosity Students, Parents, and Educators, This is a notice that our servers have suffered a security breach. What happened? On July 2, 2023 at approximately 9pm US Central Time, we discovered that our Amazon Web Services (AWS) hosting account had been the target of unauthorized access and our primary and secondary systems deleted. [...]

By |2023-07-06T16:34:16-05:00July 2nd, 2023|Piqosity News|

Announcing Launch of Pre-Calculus and ELA 10 Courses

We're excited to announce the launch of our new ELA 10 and Pre-Calculus courses designed primarily for ninth grade students. They come bundled together for unparalleled levels of practice to help with the challenge of beginning high school. With these launches and our future roadmap, Piqosity is taking its place as the web's leading e-learning [...]

By |2023-03-24T10:04:06-05:00March 23rd, 2023|English, Math, Piqosity News|
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