AOS / AET / TJ Prep for 8th Graders

Practice STEM Thinking Skills, Writing Assessment, TJ Problem-Solving Essays, and Student Portrait Sheet prompts — aligned to official admissions formats in Northern Virginia.

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What We Cover

AOS & AET — STEM Thinking Skills

Five Insight Assessment domains: critical reasoning, algebra, spatial thinking, tech logic, and scientific thinking.

  • 33-question / 50-minute mock format
  • No calculator — matches LCPS administration
  • Same test for both AOS and AET applications

AOS & AET — Writing Assessment

Timed analytical and argumentative writing with official-style rubrics.

  • 45-minute practice sessions
  • Self-review checklist
  • Science themes (AOS) and engineering themes (AET)

TJHSST — Problem-Solving Essay (PSE)

Multi-step STEM word problems with process-focused model answers.

  • 30 minutes · 3,700 character limit
  • Graders prioritize your reasoning, not just the answer

TJHSST — Student Portrait Sheet (SPS)

Portrait of a Graduate prompts: collaboration, creativity, ethics, and leadership.

  • Authentic short-answer practice
  • Reflection rubrics for self-review

Also preparing for SOL tests? Grade 8 SOL prep is available on the same platform.