LNS Scheduler

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Teachers

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Subjects

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Assignments

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Lessons Placed

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Constraints

Quick Start

1

Go to Subjects — add all subjects (Math, Arabic, Science…)

2

Go to Teachers — add each teacher, set max periods/day & available days

3

Go to Assignments — link Teacher → Section → Subject with weekly periods

4

Go to Constraints — add any special rules (optional)

5

Go to Generate — system builds the schedule automatically

6

View & edit in Timetable, then export to Excel

Sections — Primary

Name	Max/Day	Available Days	School

Color	Subject Name

Teacher	Grade	Section	Subject	Per Week

Constraint Types

Teacher Block
Teacher can't teach on a specific day + period

Teacher Period Block
Teacher can't teach a specific period (any day)

Slot Reserved
A day+period slot is reserved for one teacher only

Subject Morning Only
Subject must be placed in periods 1–3

Subject Afternoon Only
Subject must be placed in periods 4–7

Subject: Specific Period
Subject can only go in exact period number(s)

Section Block
A section has no lesson at a specific day+period (assembly etc.)

Max Consecutive
Teacher can't teach more than N periods in a row

Teacher Daily Limit
Override max periods for teacher on a specific day

Active Constraints

Type	Details	Note

Generate Schedule

The engine will find a valid timetable satisfying all hard constraints.
Locked lessons will be preserved.

Hard Rules — Always Enforced

✅ Teacher cannot be in two places at once

✅ Section cannot have two subjects at once

✅ Each subject gets exactly the assigned periods/week

✅ Teacher max periods/day respected

✅ Saturday capped at 6 periods

✅ Teacher available days only

✅ All active constraints enforced

✅ Locked lessons are never moved

Soft Rules — Best Effort

🔶 Same subject spread across different days

🔶 Teacher load balanced across the week

🔶 Teacher periods kept consecutive (fewer gaps)

🔶 Avoid period 1 when possible

📅

Generate a schedule first, then view it here.

Dashboard — Primary School

Quick Start

Sections — Primary

Teachers

Subjects

Assignments

Constraints

Constraint Types

Active Constraints

Generate

Generate Schedule

Hard Rules — Always Enforced

Soft Rules — Best Effort

Timetable

Add Teacher

Add Subject

Add Assignment

Add Constraint

Edit Lesson