Agent skill
lms-grades
LMS gradebook system for LT/IT (English Language Arts) and KCFS (Kang Chiao Future Skill) courses. Use this skill when implementing grade calculation, gradebook features, expectations system, or assessment title management.
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Install this agent skill to your Project
npx add-skill https://github.com/majiayu000/claude-skill-registry/tree/main/skills/product/lms-grades
SKILL.md
LMS Grades - Gradebook System
Quick Reference
| System | Score Range | Formula |
|---|---|---|
| LT/IT | 0-100 | Weighted avg: FA 15%, SA 20%, Final 10% |
| KCFS | 0-5 (→50-100) | Base 50 + weighted categories |
Two Calculation Engines
| Engine | File | Final Code | Use Case |
|---|---|---|---|
| Core Grade | lib/grade/calculations.ts |
FINAL | Historical reports |
| Formula Engine | lib/gradebook/FormulaEngine.ts |
MID | Live gradebook |
LT/IT Grades (English)
Assessment Codes (14 total)
- FA1-FA8: Formative Assessments (15% total, 0.0188 each)
- SA1-SA4: Summative Assessments (20% total, 0.05 each)
- FINAL/MID: Final/Midterm Exam (10%)
Formula
Semester = (FA_avg × 0.15 + SA_avg × 0.20 + FINAL × 0.10) ÷ 0.45
Rules:
- Only scores >0 included
- All zeros → null
→ See: references/lt-it-formula.md
KCFS Grades (Future Skills)
Formula
Term Grade = 50 + Σ(category_score × weight)
Categories by Grade
| Grade | Categories | Weight |
|---|---|---|
| G1-2 | COMM, COLLAB, SD, CT | 2.5 |
| G3-4 | + BW (5 total) | 2.0 |
| G5-6 | + PORT, PRES (6 total) | 5/3 |
Rules:
- Scores 0-5 (0.5 increments)
- Zero counts (lowers grade)
- Blank/Absent excluded
→ See: references/kcfs-formula.md
Key Files
| Purpose | Location |
|---|---|
| Core Calculations | lib/grade/calculations.ts |
| KCFS Calculations | lib/grade/kcfs-calculations.ts |
| Formula Engine | lib/gradebook/FormulaEngine.ts |
| Gradebook Page | app/(lms)/class/[classId]/gradebook/ |
| Spreadsheet | components/gradebook/Spreadsheet.tsx |
| Expectations | components/gradebook/ExpectationsManager.tsx |
Features
Gradebook Expectations (v1.52.0)
- Head Teachers set completion targets
- Track teacher progress by grade/course
- Status: on_track / behind / not_started
Assessment Title Override
- Priority: Class > Grade×Track > Default
- Affects display only, not calculation
References
- LT/IT Formula: references/lt-it-formula.md
- KCFS Formula: references/kcfs-formula.md
- KCFS Config: references/kcfs-config.md
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