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.

How to Tackle Sentence Completion Questions on the ISEE Upper Level

The ISEE Upper Level Verbal Reasoning section is composed of two parts - synonyms and sentence completions. You will have 20 minutes to answer 20 Synonym Questions and 20 Sentence Completion Questions. These questions test your knowledge of vocabulary and your ability to apply that knowledge. For Sentence Completions, you must understand the structure [...]

By |2025-12-10T08:53:19-06:00December 10th, 2025|ISEE: Upper Level|

Free ISEE Practice Tests, Full-Length

Piqosity offers two, absolutely free ISEE practice tests. These tests are full-length and level-specific for the ISEE Upper, Middle, and Lower levels. Just like the actual ISEE test, Piqosity's full-length ISEE practice tests are comprised of 161 questions including the essay. No credit card or phone number required Full-length and full-featured Self-scoring and auto-analyzing [...]

By |2025-11-02T13:47:33-06:00November 2nd, 2025|ISEE 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 exams—if you're prepping for this test (or tutoring it), study these ISEE essay examples to see how you can come up with and write a great essay! In the Essay section of the ISEE exam, [...]

By |2025-09-04T13:48:45-05:00September 4th, 2025|ISEE Test Prep|

Announcing Big Update to Test and Quiz Views

We deployed a major update to the Piqosity app this morning. We completely redesigned the test and quiz interface with features like improved question navigation, Desmos calculator integration, and new reading passage markup tools. Additionally, we made even bigger changes beneath the skin to prepare for upcoming features like deeper AI integration and upcoming [...]

By |2025-10-15T15:54:23-05:00August 28th, 2025|Piqosity News|

Enhanced 2025 ACT Practice Tests – Free & Full-Length

Piqosity offers 12 ACT practice tests enhanced for 2025, and these tests are currently available for free! Just like the actual ACT, Piqosity's full-length Enhanced ACT tests are comprised of 50 English, 45 Math, and 36 reading questions. Compared to the pre-2025 version, the new ACT is over 100 questions shorter and an hour [...]

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. We have updated all of our material to reflect the recent changes to both the Digital SAT and the New, Enhanced ACT in 2025, but now that you have the [...]

By |2025-12-04T06:53:18-06:00May 12th, 2025|ACT Test Prep, SAT Test Prep|

Announcing State Standards Curriculum Alignment

Piqosity math and test prep courses are now fully aligned to popular state standards starting with Common Core State Standards (CCSS) and the Texas Essential Knowledge and Skills (TEKS). This new feature allows educators to see how Piqosity's math courses and subtopics line up with their state's standards. The alignment is particularly insightful for [...]

By |2025-04-17T10:21:48-05:00March 28th, 2025|Piqosity News, ZPQA Org Admin, ZPQA Org Teacher, ZPQA Teacher|

Announcing Student Reports and Data Export

We have deployed a new feature for tutors/teachers and school administrators. The new Reports page allows educators to have a more granular view of their students' Piqosity app usage and response analytics. Educators can save individual reports and even export to a CSV file. We developed this new reporting feature in response to requests [...]

By |2025-02-28T13:12:39-06:00February 28th, 2025|Piqosity News, ZPQA Org Admin, ZPQA Org Teacher, ZPQA Teacher|
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