Is International Grammar School a government, Catholic or independent school?

International Grammar School is an independent primary and secondary school in New South Wales. Its governing body is Independent Schools NSW.

What years does International Grammar School teach?

International Grammar School teaches Kindergarten to Year 12, for boys and girls.

How many students are enrolled at International Grammar School?

International Grammar School had 1,224 students in 2025, according to ACARA. That is about 9.7 students per full-time-equivalent teacher, which is not the same as class size.

Independent primary and secondary school in Ultimo

International Grammar School

International Grammar School is an independent primary and secondary school for boys and girls, from Kindergarten to Year 12, in Ultimo, New South Wales.

School website

International Grammar School: Primary students playing a card game at a classroom table with a French book

About the school

What International Grammar School is like

It has 1,224 students (527 girls and 697 boys) and the equivalent of 126.5 full-time teachers, about 10 students for each teacher.

Compared with the 6 other combined schools within about 3 km, it is about average in size.

The school is run by Independent Schools NSW.

As an independent school it sets its own fees. Ask the school for the current fee schedule, including any scholarships or bursaries.

Its ICSEA value is 1170, against a national average of 1000. ICSEA describes the educational advantage of the families a school serves, not the quality of the school; read it alongside the school's results on My School.

At a glance

International Grammar School at a glance

Students: 1,224; 2025
Girls and boys: 43% / 57%; 527 girls, 697 boys
Teachers: 126.5; full-time equivalent
Students per teacher: 9.7 to 1; not the same as class size
Years: Kindergarten to Year 12

Students, staff and years: Source: Australian Curriculum, Assessment and Reporting Authority (ACARA), School Profile 2025. Results are on My School, not here.

Photos

Inside International Grammar School

Photos from the school’s website (opens in a new tab).

Fees

International Grammar School fees

International Grammar School has not published its fees with us yet. Fees at independent schools in Australia usually rise with the year level, and many schools offer sibling discounts, scholarships and bursaries. The quickest way to get the current fee schedule is to ask the school; enquiries are free.

Compare private school fees in New South Wales

Results

NAPLAN results and the school profile

Australian schools are not given inspection grades. Each school’s NAPLAN results, finances, attendance and student background are published by ACARA on My School: International Grammar School on My School.

Non-government schools are registered and reviewed by the school registration authority in New South Wales. Ask the school for its most recent annual report, which every Australian school publishes.

Enrolment

How to get a place

Independent schools run their own enrolment. Most invite families to an open day or a tour, then ask for an application form and fee; popular schools fill their entry years (often Kindergarten and Year 7) a year or more ahead. Ask International Grammar School about places for your child’s year level.

Open day dates for International Grammar School are not listed yet. Enquire and the school can send you the next dates directly.

Questions

Common questions about International Grammar School

Is International Grammar School a government, Catholic or independent school?: International Grammar School is an independent primary and secondary school in New South Wales. Its governing body is Independent Schools NSW.
What years does International Grammar School teach?: International Grammar School teaches Kindergarten to Year 12, for boys and girls.
How many students are enrolled at International Grammar School?: International Grammar School had 1,224 students in 2025, according to ACARA. That is about 9.7 students per full-time-equivalent teacher, which is not the same as class size.
What is the ICSEA value of International Grammar School?: International Grammar School has an ICSEA value of 1170, against a national average of 1000. ICSEA describes the educational advantage of the families a school serves, not the quality of the school; read it alongside the school's results on My School.

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