Small independent primary school in Holder, ACT serving K–6 students with Montessori approach.
NAPLAN cohorts too small to compare with national averages; the result is a B overall.
Canberra Montessori School is also known as CMS Holder.
Canberra Montessori School has an overall SchoolRank score of 54.6/100, rated "Average". This score is calculated from academic results, student growth, wellbeing, programs, and value for money. Academically, the school grades B− (Slightly below average) against other Australian schools. The school's ICSEA (Index of Community Socio-Educational Advantage) is 1128 (91st percentile; the national average is 1,000).
Canberra Montessori School has about 96 students across 7 year levels, so roughly 14 sit each year level's NAPLAN test. That is too few to compare meaningfully with a national average: a handful of children moves the figure by more than most real differences between schools. Its most recent published results are from 2025. Year 3 students averaged Reading 372, Writing 348, Numeracy 379, Spelling 362 and Grammar 371. Year 5 students averaged Reading 508, Writing 441, Numeracy 489, Spelling 452 and Grammar 496. Year levels are listed separately because NAPLAN scores rise with year level. Students at Canberra Montessori School sit NAPLAN in Years 3 and 5.
Canberra Montessori School is a very small Independent primary school with approximately 96 students. It offers education for years K-6. As an Independent school, enrolment typically involves an application process. Contact the school directly for enrolment criteria, waiting lists, and open day information.
Canberra Montessori School has a student-to-teacher ratio of 11.4:1. This is below the national average of approximately 14:1, meaning students generally receive more individual attention. Support staff make up 55% of the workforce, providing additional learning assistance and pastoral care. The student attendance rate is 93%, which is excellent.
Canberra Montessori School is located in Holder, ACT, in a major city. Its ICSEA is 1128 (91st percentile; the national average is 1,000). ICSEA measures the advantage of a school's community, from its parents' education and occupation, not the school's quality. A school with a lower ICSEA and strong academic results may be teaching particularly effectively.