Timetable software for secondary schools

Enter who teaches what and your school's rules, and it builds the timetable.Once it's built, keep using Timetable Expert to edit it and to arrange cover and lesson swaps during the year.

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Timetable Expert — View timetable

Riverside International School timetable

27 classes, 55 teachers

SingleFour at onceMaster view

2026–27 Semester 1 live timetableB+ Above average More Share

ClassTeacherRoomBlocks

10A ⇅ Display Lesson groups

Class 10A

Period	Mon	Tue	Wed	Thu	Fri
1	History Ms Patel	English Mr Okafor	Spanish Ms Chen	PE Mr Silva	Computer Science Ms Novak
2	Geography Mr Kim	Chemistry Ms Garcia	Physics Mr Brown	Biology Ms Tanaka	Computer Science Ms Novak
3	Physics Mr Dubois	Geography Mr Kim	Mathematics Ms Ahmed	English Mr Rossi	Mathematics Ms Ahmed
4	PE Mr Silva	Biology Ms Jensen	Biology Ms Tanaka	Physics Mr Walker	Physics Ms Lopez
5	Biology Ms Jensen	Mathematics Ms Ahmed	Geography Mr Singh	Computer Science Ms Novak	Geography Mr Kim
6	Mathematics Ms Ahmed	History Ms Patel	History Ms Patel	Computer Science Ms Novak	Clubs
7	English Mr Okafor		English Mr Rossi		Clubs

Timetable Expert — Teaching loads · form for heads of department

Riverside International School 2026–27 Semester 1 teaching loads

Edit the departments you need, then save all changes.

Your name

Enter your name

SciencePEEnglishTechnologyArtsHumanitiesMathematicsLanguages›

Science

11 subjects

BlocksGr 11:ABCDE|Gr 12:ABCDEFGHIJ

Subject	Grade 10								Grade 11								Grade 12								Total
Subject	A	B	C	D	E	F	G	H	A	B	C	D	E	F	G	H	A	B	C	D	E	F	G	H	Total
General Science	4	4	4	4	4	4	4	4	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	32
Science Lab	1	1	1	1	1	1	1	1	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	8
Physics	-	-	-	-	-	-	-	-	-	3	3	3	-	-	-	3	-	-	-	-	-	-	-	-	12
Chemistry	-	-	-	-	-	-	-	-	3	3	-	3	3	-	-	-	-	-	-	-	-	-	-	-	12
Biology	-	-	-	-	-	-	-	-	-	-	3	-	-	3	-	-	-	-	-	-	-	-	-	-	6
Astronomy	-	-	-	-	-	-	-	-	-	-	3	3	-	-	-	3	-	-	-	-	-	-	-	-	9
Physics II	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	3	-	-	3	-	-	3	-	9
Chemistry II	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	3	-	-	-	3	-	6
Biology II	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	3	-	-	-	3	-	-	6
Earth Science	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	3	-	-	-	3	-	3	9
Ecology	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	3	-	-	3	-	-	6
Total	5	5	5	5	5	5	5	5	3	6	9	9	3	3	-	6	3	6	6	3	-	9	6	3	115

Contact the admin to change the teaching loads.

Science teacher assignments

(0 teachers, 0 lessons total)+ Add subject

By classCore subjectsElectives

Teacher	Subject	Grade 10								Grade 11								Grade 12								Total

Collect teaching loads from each department

Each department enters who teaches what online, and you can check that a timetable is possible before you start.

Timetable Expert — Timetable setup › Rules

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Riverside International School - Edit

Checks passed

Export ▾Load teaching loads✦ Generate timetable ▾

Classes

Teachers

Subjects

Lessons

Shared rooms

Bulk assign

Blocks

Consecutive

Fixed

Availability

Rules

Review

Timetable generation rules

Required

Marked rules must always be met, so overly strict settings can make a timetable impossible

Search by rule name

Most usedIn a rowPart-time teachersReduced hoursSubject placementLesson balancePeriod balanceQualityFirst, pre-lunch, lastFree periodsLunchLesson times

Limit lessons in a row

Limits how many periods a teacher can teach in a row

Same subject once a day per classRequired

Stops a subject from being placed more than once a day in the same class

Grades:✓Grade 10✓Grade 11✓Grade 12

Exceptions1

Daily limit for grouped subjects

Caps the combined daily lessons of grouped subjects in one class

Spread grouped subjects across days

Tries to keep grouped subjects off the same day and out of back-to-back periods in one class

Spread first, pre-lunch and last periods

Keeps each teacher's first, pre-lunch and last periods from piling up

Weekly cap on first, pre-lunch and lastRequired

Sets how often each teacher can get first, pre-lunch and last periods in a week

Cap and excluded teachers1

Limit lessons in a rowOff

	Mon	Tue	Wed
1	Lit
2	Lit	Maths
3	Lit	Maths
4	Lit		Eng
5
6
7

No limit on lessons in a row

Limits how many periods a teacher can teach in a row.

Turn the limit on to control how long a run can be.

Builds the timetable around your school's rules

Set when each teacher is unavailable, how many classes can share a lab, gym or other shared room at once, and which lessons must run at the same time. It builds the timetable around the rules you enter.

Timetable Expert — Quality analysis

Timetable quality analysis

Overview

Timetable grade

B+Above average

Requirements

Lessons and assignments

Lessons in a row

Bulk assignment

Unavailable times

Lessons at the same time

Shared rooms

Fixed lessons

Team teaching

Quality metrics

Show all

Even daily load per teacherFair (4)

Even spread of first and pre-lunch periodsUneven (9)

Morning/afternoon balanceUneven (5)

Fewer runs of 3+ lessons in a row3

Overall timetable quality

B+

Above average

113 subjects, 55 teachers

• Some imbalances, but usable.

• Some teachers' schedules may need adjusting.

Items to improve

Even spread of first and pre-lunch periods

9 teachers have an uneven spread of first and pre-lunch periods.

Details

Morning/afternoon balance

5 subjects are unevenly split between morning and afternoon.

Details

Even daily load per teacher

4 teachers have uneven lesson counts across the week.

Details

Fewer runs of 3+ lessons in a row

Found 3 runs of 3 or more lessons in a row.

Details

Fewer lessons in a row and a better spread across the week

It takes into account how many lessons each teacher has in a row, how many they have each day, and the balance of mornings and afternoons. You can also check the quality of the finished timetable.

Timetable Expert — Timetable setup › Review

← Back to timetable setup

Riverside International School - Edit

1 warning

Export ▾Load teaching loads✦ Generate timetable ▾

Classes

Teachers

Subjects

Lessons

Shared rooms

Bulk assign

Blocks

Consecutive

Fixed

Availability

Rules

Review

Setup checks

0 errors1 warning

Shared rooms1

Option blocks across grades

Checks passed

Option blocks passed the check

Placing the blocks that share teachers needs at least 15 periods. (47%)

Can run at the same time

Shows whether each Grade 11 block and Grade 12 block can be placed in the same period.

30 possible20 clashing pairs

Gr 11 / Gr 12	A	B	C	D	E	F	G	H
A	Teacher clash 1 shared teacher	Possible	Teacher clash 1 shared teacher	Teacher clash 1 shared teacher	Possible	Possible	Teacher clash 1 shared teacher	Teacher clash 1 shared teacher
B	Teacher clash 1 shared teacher	Possible	Teacher clash 1 shared teacher	Teacher clash 2 shared teachers	Possible	Possible	Teacher clash 1 shared teacher	Possible
C	Teacher clash 1 shared teacher	Possible	Teacher clash 1 shared teacher	Teacher clash 2 shared teachers	Possible	Possible	Teacher clash 1 shared teacher	Possible
D	Possible	Possible	Possible	Teacher clash 2 shared teachers	Possible	Possible	Teacher clash 2 shared teachers	Teacher clash 1 shared teacher

Turning off these conditions makes the timetable possible

UnavailableMr Kim

RoomScience lab

Select suggested conditions

Shows why lessons can't be placed

If some lessons can't be placed, it shows the cause and which rules to change.

Timetable Expert — Edit timetable

Edit full timetable

SaveCancel

Teacher	Mon							Tue							Wed							Thu							Fri
Teacher	1	2	3	4	5	6	7	1	2	3	4	5	6	7	1	2	3	4	5	6	7	1	2	3	4	5	6	7	1	2	3	4	5	6	7
Mr Becker		12H Fitness		11D PE		10C PE		12B Fitness		10G PE			11A PE			12E Fitness			10B PE		11F PE	10A PE		12C Fitness		11B PE				11E PE		12A Fitness		10D PE
Ms Ahmed	10A Maths		10D Maths		11C Stats		12F Calc		10B Maths		12A Calc		11G Stats		11B Stats		10E Maths			12D Calc			12B Calc		10F Maths			11D Stats	10C Maths		11A Stats		12E Calc
Ms Patel	11A Hist	10E Geog		12C Law			10H Geog		12G Law	11F Hist		10A Geog			10D Geog			11H Hist	12B Law			12A Law		10F Geog			11C Hist			11E Hist		10B Geog		12H Law
Mr Okafor		10B Eng	12D Fren		11B Span			11E Span			10G Eng		12F Fren			10C Eng	11G Span				12A Fren	12E Fren	11D Span			10H Eng					10E Eng	11H Span			12C Fren
Mr Silva	12B Media		11C Lit			10F Mand			10D Mand		12E Media	11A Lit			11F Lit			10A Mand		12G Media			12H Media	10G Mand				11B Lit	10C Mand			11G Lit	12D Media
Ms Novak		10A CS			12F Env Sci	11B Phys		10F CS		11D Phys				12C Env Sci		11E Phys		12H Env Sci	10B CS			11H Phys			10E CS		12A Env Sci			10H CS	12G Env Sci			11F Phys

Class timetables (xlsx)

12A	Mon	Tue	Wed	Thu	Fri
1	Media Ms Kowalski	Stats Mr Murphy	Fren Mr Hughes Blk A · Rm 204	Econ Ms Schmidt	PE Mr Yilmaz
2	Stats Mr Murphy	Fren Mr Hughes Blk A · Rm 204	Media Ms Kowalski	Phil Mr Ito Blk B · Rm 207	Music Ms Reyes
3	Fren Mr Hughes Blk A · Rm 204	Econ Ms Schmidt	Stats Mr Murphy	Media Ms Kowalski	Phil Mr Ito Blk B · Rm 207
4	Phil Mr Ito Blk B · Rm 207	PE Mr Yilmaz	Econ Ms Schmidt	Stats Mr Murphy	Media Ms Kowalski
5	Econ Ms Schmidt	Media Ms Kowalski	PE Mr Yilmaz	Fren Mr Hughes Blk A · Rm 204	Stats Mr Murphy
6	Music Ms Reyes	Phil Mr Ito Blk B · Rm 207	Fren Mr Hughes Blk A · Rm 204	Music Ms Reyes	Econ Ms Schmidt
7	PE Mr Yilmaz	Music Ms Reyes	Phil Mr Ito Blk B · Rm 207	PE Mr Yilmaz

File name{timetable name}_class_timetables.xlsx (sheets: Grade 10, Grade 11, Grade 12)

Edit and export the timetable

When you move a lesson, you can see whether a teacher or a shared room such as a lab is double-booked. Export class, teacher and student timetables and class lists for each section to Excel.

Timetable Expert — Teacher timetables

Cover and swaps

2026–27 Semester 1

Share teacher viewShare student view

By teacherBy classAll teachersAll classes

Mr Hughes (History) ⇅

Week 14 · Mon 30 Nov – Fri 4 DecThis week Free teachers

Change lessonSwap daysSwap periodsCopy periodBulk clearBulk fill

› Full legend

UnavailableNo lessonsSpecialConsecutiveBlocksLinkedFixedConsecutive + blockDouble-bookedAvailability breach

Room over capacity

P	Week 14 Base timetable					Week 15 Base timetable					Week 16 Base timetable
P	Mon 30 Nov	Tue 1 Dec	Wed 2 Dec	Thu 3 Dec	Fri 4 Dec	Mon 7 Dec	Tue 8 Dec	Wed 9 Dec	Thu 10 Dec	Fri 11 Dec	Mon 14 Dec	Tue 15 Dec	Wed 16 Dec
1	Hist 10E	Hist 10E	Swap Hist 10D	-	Swap Hist 10D	Hist 10E	Hist 10E	Hist 10D	-	-	Hist 10E Multi-use lab	Hist 10D	-
2	-	-	-	-	Cover Geog 10B	-	-	-	-	-	-	-	-
3	Hist 10F	-	-	-	-	Hist 10F	-	-	-	-	Hist 10F Multi-use lab	-	-
4	-	Hist 10D	Cover Hist 10E	-	Cover Geog 10E	-	Hist 10D	Hist 10E	-	-	-	Hist 10D	-
5	-	Hist 10F	Cover Hist 10F	-	-	-	Hist 10F	Hist 10F	-	-	-	Hist 10F	-
6	-	-	-	-	-	-	-	-	-	-	-	-	-
7	Hist 10D	X	-	X	-	Hist 10D	X	-	X	-	Hist 10D	X	-
8	X	X	X	X	X	X	X	X	X	X	X	X	X

Lesson swap request

My lessons To move Available1:1Direct swap Selected

Choose a lesson7–11 Dec

	Mon 7	Tue 8	Wed 9
1	Hist 10E	Hist 10E	Hist 10D
2
3	Hist 10F
4		Hist 10D	Hist 10E
5		Hist 10F	Hist 10F
6
7	Hist 10D

Choose a time7–11 Dec

	Mon 7	Tue 8	Wed 9	Thu 10	Fri 11
1	Hist 10E	Hist 10E	Hist 10D	1:1
2	1:1
3	Hist 10F	1:1
4	1:1	Hist 10D	Hist 10E		1:1
5	1:1	Hist 10F	Hist 10F
6			1:1
7	Hist 10D

Reason (optional)

Business tripAnnual leaveSick leaveTrainingOther

Change preview✓Plan 1Recommended2 teachers, 1 classSame subject twice · 10E Mon ‘Geography’ChangesAll

	Me		Ms Larsen
	Mon 7 Dec	Thu 10 Dec	Mon 7 Dec	Thu 10 Dec
1		Hist10E	Geog10E
2			Geog10E
3	Hist10F		Geog10H	Geog10H
4				Geog10F
5			Geog10C
6			Geog10G	Geog10D
7	Hist10D

	10E
	Mon 7 Dec	Thu 10 Dec
1	GeogMs Larsen	HistMr Hughes
2	GeogMs Larsen	PhysMs Lopez
3	MathsMr Mensah	BioMs Jensen
4	EngMr Okafor	EngMr Rossi
5	PhysMr Dubois	MusicMs O'Neill
6	BioMs Tanaka	MathsMr Mensah
7	ChemMs Garcia

Changes apply to the timetable after admin approval.

CancelSubmit request

Handles changes during the year too

Arrange cover and lesson swaps, and see projected lesson shortfalls before the end of term. Teachers can ask for a swap or cover in the teacher app.

Frequently asked questions

Yes. You can import data from Excel in the formats we support, so you don't have to enter everything again. Tell us what you use and we'll check.

Yes. You can export the timetable to Excel. It's up to your school whether to use Timetable Expert for cover and swaps as well.

Before you generate, a check shows any errors and warnings. If some lessons are still unscheduled afterwards, it finds the rules causing this and tells you. Change those rules and generate again.

Timetable Expert does not collect students' personal data. We only receive the student ID numbers and subject choices needed to build option blocks and the timetable.

No. It runs in your web browser, so there's nothing to install and you can use it from anywhere.

A real person answers by live chat and email.

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