Sir Isaac Newton High School
Johannesburg South, Johannesburg Central, Gauteng
What kind of school is Sir Isaac Newton High School?
Sir Isaac Newton High School is an independent combined school in Johannesburg South, within the Johannesburg Central education district of the Gauteng. EMIS records it as a small-to-medium school with 222 enrolled learners and 15 educators, giving a learner-to-educator ratio of 15:1. EMIS classifies the location as urban.
Note: The Urban/Rural classification is sourced directly from EMIS and may reflect historical registration data. See Data Limitations.
Source: DBE EMIS Q3 2025.
What You Should Know
Independent school
Privately-run with its own fee structure, curriculum flexibility, and admission policies. Registered with the Department of Education.
Combined school
Classified as a combined school in EMIS, covering both primary and secondary phases.
What is the learner-to-educator ratio at Sir Isaac Newton High School?
How many learners there are per educator, compared to schools in the same quintile and phase. The educator count includes teachers, heads of department, and principals — so real class sizes are usually larger than this number suggests.
Fewer learners per educator than 42% of similar schools
(Independent Combined schools in Gauteng)
Matric Results
Matric results are not yet available for this school. This may be because the school writes IEB or Cambridge exams (not included in DBE reporting), is newly registered, or had no matric candidates in recent years.
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Distance to Major Centres
Straight-line distance (actual driving may differ)
Commute Planner
How long from drop-off to work?
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Location
Interested in Sir Isaac Newton High School?
Contact the school directly or explore the campus virtually.
What other schools are near Sir Isaac Newton High School?
Other schools within a few kilometres. Proximity does not imply similarity — these schools may serve different phases, quintiles, or communities.
Fewer learners per educator than 37% of similar schools
Fewer learners per educator than 11% of similar schools
Fewer learners per educator than 25% of similar schools
Fewer learners per educator than 29% of similar schools
Schools serving similar communities
Other combined schools in Gauteng (independent).
Peer group defined as same quintile + phase + province. These schools face similar resource constraints to Sir Isaac Newton High School.
Fewer learners per educator than 6% of similar schools
Fewer learners per educator than 33% of similar schools
Fewer learners per educator than 40% of similar schools
Frequently Asked Questions
School data: DBE EMIS Q3 2025. Matric results: NSC School Performance Report 2025. Infrastructure: NEIMS/EFMS 2021 (historical). Peer comparisons are based on schools within the same quintile, phase, and province. The learner-educator ratio includes all staff classified as educators — actual class sizes may differ. Learn about our methodology
Some data fields may not be available for all schools. Missing data is shown as '—' or 'Not available'. Source: DBE EMIS Q3 2025.