We believe teachers are the most overworked, underpaid professionals on earth. We built TeachShield to give you your evenings back.
We're a group of friends who watched teachers in our lives — partners, siblings, parents — spend their weekends buried in grading, lesson plans, and admin work. Thirty essays on a Sunday night. Progress reports due Monday. No time for the things that actually matter.
So we built TeachShield. Not as another corporate EdTech tool that promises the moon and delivers a complicated dashboard. We built a platform that handles the repetitive work — grading, lesson planning, worksheet generation, classroom games — so teachers can focus on what they do best: teaching.
TeachShield is a product of Obsidian Clad Labs LLC, a group of friends from Tennessee who believe software should solve real problems for real people. Simple. Affordable. Always on your side.
“Every teacher deserves tools that respect their time. Grading 30 essays shouldn't take all weekend.”
Upload essays and assignments. Get detailed feedback with scores, rubric alignment, and improvement suggestions.
Generate full lesson plans tailored to your grade level, subject, and teaching style in seconds.
Jeopardy-style classroom game with 2,500+ questions across 500 categories. Pre-K through 12th grade.
39 question types, 900+ questions, K-12 grade adaptation. Print-ready worksheets on demand.
Check if student work was written by AI. Honest accuracy reporting — no false promises.
10 educator types supported. From classroom teachers to tutors to homeschool parents.
106+
API Endpoints
2,500+
BrainBattle Questions
39
Worksheet Types
Start free. 50 gradings per month, no credit card required. 30-day money-back guarantee on all paid plans.
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