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Virginia School Entrance Exam Prep Guides

We publish 8 in-depth prep guides covering 4 selective enrollment and competitive admission schools in Virginia, including Academies of Loudoun — Academy of Science (AOS) & Academy of Engineering and Technology (AET), Academies of Loudoun (AOS/AET), Thomas Jefferson High School for Science and Technology (TJHSST) and tjhsst-problem-solving-essay-pse-guide — covering essays, exam strategy, and application timelines.

The Complete Guide to the STEM Thinking Skills Assessment for Academies of Loudoun (2026)
Academies of Loudoun — Academy of Science (AOS) & Academy of Engineering and Technology (AET)
June 12, 2026 10 min read

The Complete Guide to the STEM Thinking Skills Assessment for Academies of Loudoun (2026)

The STEM Thinking Skills Assessment for the Academies of Loudoun is one of the least-documented high-stakes tests in Virginia — and with AOS accepting only 4–5% of applicants, preparation matters enormously. This post breaks down all five subsections, the 250–300 scoring scale, the ACL Writing Assessment, and exactly how to prepare before the October/November test window.

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When Should You Start Preparing for Academies of Loudoun? (7th Grade vs 8th Grade)
Academies of Loudoun (AOS/AET)
September 11, 2026 7 min read

When Should You Start Preparing for Academies of Loudoun? (7th Grade vs 8th Grade)

The Academies of Loudoun accepts roughly 4–6% of applicants each year, and timing your prep correctly makes a real difference. This post compares starting in 7th grade versus an intensive 8th-grade summer push — and shows you exactly how to prepare for the STEM Thinking Skills Assessment and Writing Assessment on any budget.

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STEM Thinking Skills Test for Academies of Loudoun: What Parents Need to Know (2026 Update)
Academies of Loudoun (AOS/AET)
August 02, 2026 9 min read

STEM Thinking Skills Test for Academies of Loudoun: What Parents Need to Know (2026 Update)

The Academies of Loudoun admissions process includes a specialized STEM Thinking Skills Test created by Insight Assessment—and most families don't know what it actually measures. This post breaks down the 250–300 scoring scale, the five skill areas tested, and exactly how to prepare your child for both the STEM and Writing Assessments before the late-October deadline.

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STEM Thinking Skills Test Academies of Loudoun
Is Your 7th Grader Ready for TJHSST? Early Preparation Timeline 2026-2027
Thomas Jefferson High School for Science and Technology (TJHSST)
September 14, 2026 9 min read

Is Your 7th Grader Ready for TJHSST? Early Preparation Timeline 2026-2027

Most families start TJHSST prep in 8th grade — by then, two of the most critical admissions factors are already locked in. This post shows 7th grade families exactly what to do now, from GPA strategy to Problem-Solving Essay readiness, so your child enters the application window with every advantage in place.

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Private School TJHSST Admissions: What You Need to Know About Unallocated Seats
Thomas Jefferson High School for Science and Technology (TJHSST)
August 11, 2026 8 min read

Private School TJHSST Admissions: What You Need to Know About Unallocated Seats

Private school students can apply to TJHSST — but only for roughly 200-250 unallocated seats, with no feeder-school safety net. This post explains exactly how the two-tier seat system works, what the Student Portrait Sheet and Problem-Solving Essay require, and how to prepare your child to compete seriously for Thomas Jefferson's most competitive seats.

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TJHSST Admissions 2026-2027 Calendar: Every Important Date for Class of 2031
Thomas Jefferson High School for Science and Technology (TJHSST)
May 24, 2026 8 min read

TJHSST Admissions 2026-2027 Calendar: Every Important Date for Class of 2031

The TJHSST admissions calendar for 2026-2027 moves fast — and missing one deadline ends your child's shot at Thomas Jefferson HSST. This post maps every key date for the Class of 2031 application cycle, explains what the Student Portrait Sheet and Problem-Solving Essay actually test, and tells you exactly what to do before each deadline.

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How to Write the TJHSST Problem-Solving Essay (PSE): A Step-by-Step Guide for 8th Graders (2026–2027)
tjhsst-problem-solving-essay-pse-guide
July 31, 2026 10 min read

How to Write the TJHSST Problem-Solving Essay (PSE): A Step-by-Step Guide for 8th Graders (2026–2027)

TheTJHSST Problem-Solving Essayis the part of Thomas Jefferson HSST admissions that trips up the most prepared students every year. I've seen kids with 3.9 GPAs and genuine math talent walk out of the January exam feeling shaky — not because the problem was too hard, but because no one told them how to turn their thinking into a scored, written response. Your child has 30 minutes and 3,700 characters to show analytical reasoning, logical communication, and step-by-step STEM problem-solving. This guide shows exactly how to do that.

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TJHSST problem solving essay TJHSST PSE tips