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Shire of Yarra Ranges, Melbourne, Victoria

Online coding and Python classes in Yarra Ranges

Why do online Python classes suit learners across the Yarra Ranges?

Because the Shire is large and spread out, and a live online class reaches Healesville and Belgrave as easily as Lilydale. A teacher codes alongside each learner, from Scratch at six to Python with real data. The Shire of Yarra Ranges counted 156,068 residents in the 2021 Census.

Python programs often save their data as JSON so another program, or tomorrow's run, can read it. JSON looks like a Python dictionary, but it is not one. We saved seven years of entries for the Shire's five railway stations and read them straight back. Every single lookup by year failed.

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Facts last verified 11 October 2026. Teaching is online; no Yarra Ranges branch is claimed.

Course picks for the Yarra Ranges

Courses that take data in and out safely

The JSON project needs dictionaries, files and a careful eye for types. These courses build them; the free trial lesson sets the starting level.

Python for Teens course thumbnail
Ages 13 to 17

Python for Teens

Core Python, including dictionaries, files and the json module.

See the syllabus
 Python Masterclass course thumbnail
University and adult

Python Masterclass

From first scripts to well-structured programs that store and share data.

See the syllabus
 Python Web Development with Django and Flask Course course thumbnail
Secondary and adult

Python Web Development with Django and Flask Course

Web apps that send and receive JSON every day.

See the syllabus
 Python and AI for Kids course thumbnail
Ages 8 to 12

Python and AI for Kids

Friendly first Python, with saving and loading small game files.

See the syllabus

Browse the course atlas for more than one hundred options and use the coding roadmap to check prerequisites.

The four we are known for

Python, AI, vibe coding and agentic coding

These run underneath everything above. Every one is live and online, placed by ability rather than by age, and the first class is free.

Vibe Coding for Teens course thumbnail
Vibe codingAges 13 to 17

Vibe Coding for Teens

Python, web and AI projects where the learner still owns the thinking.

See the syllabus
 Python Automation Course course thumbnail
Python and AICollege and adult

Python Automation Course

Automate the work you already do, then let AI carry part of it.

See the syllabus
 AI and Machine Learning for Teens course thumbnail
AI and MLAges 14 to 18

AI and Machine Learning for Teens

Train a model, read what it learned, and be able to say why it is wrong.

See the syllabus
 Codex & Claude Code course thumbnail
Agentic codingProfessionals

Codex & Claude Code

Run AI coding agents on real work without losing control of the codebase.

See the syllabus
The Yarra Ranges in the Census

Houses, hills and long drives to work

Headline 2021 Census QuickStats for the Shire of Yarra Ranges (ABS code LGA27450), with Victoria for comparison.

Shire totals from the 2021 Census
What was countedYarra Ranges
Residents156,068
Median age40
Families43,981
Private dwellings61,491
People per household2.7
The Shire against the state average
MeasureShireVictorian total
Separate houses93.7% (52,325)73.4%
Workers who drove to work55.3% (44,209)49.9%
Workers who took the train to work0.7% (559)1.6%
Adults with a bachelor degree or higher21.4% (27,208)29.2%
Workers employed as professionals19.6% (15,672)25.0%

Children and teenagers

The Census counted 9,765 residents aged 5 to 9 and 9,963 aged 10 to 14.

Home on Census day

Under the August 2021 lockdown, 22.5% of employed residents, 17,963 people, worked from home.

A very large shire

The ABS boundary covers about 2,468 square kilometres, far more than any inner Melbourne council.

The bureau adds small random changes to Census cells for privacy, so we show every number as published and never add published numbers together.

Signature project

What changes when a dictionary goes through JSON?

We built a dictionary of FY18-19 to FY24-25 entries for Belgrave, Tecoma, Upwey, Lilydale and Mooroolbark, keyed by station and then by year as a whole number (2019 to 2025, our label for each financial year). That is 35 cells. Then we saved it with json.dumps and read it back with json.loads.

What survived the round trip (our measurement)
What we savedWhat came backEffect
Year keys as integersYear keys as stringsAll 35 lookups such as data['Lilydale'][2025] fail
A ratio as a floatThe same floatExact match, no change
A ratio of NaNThe text NaNPython reads it, but strict JSON readers reject it
The whole table616 charactersSmall enough to read by eye
Things json.dumps refused to save (our measurement)
Python valueError message
A set of station namesObject of type set is not JSON serializable
A tuple used as a keykeys must be str, int, float, bool or None, not tuple
A dateObject of type date is not JSON serializable

JSON keys are text

The format only allows string keys, so Python quietly turns 2025 into "2025" when saving and does not turn it back.

Loud failures help

Sets, tuples and dates fail immediately, which is good: the programmer must choose how to store them.

Convert on the way in

After loading, rebuild integer keys deliberately, or store years as values in a list of records instead of as keys.

The numbers inside the file

Lilydale recorded 701,900 entries in FY18-19 and 512,300 in FY24-25; Mooroolbark went from 722,150 to 569,250, 78.8% of the earlier figure; little Tecoma from 75,650 to 47,250. Those figures survive JSON perfectly. Only the shape of the dictionary around them changes, which is why the bug is easy to miss.

Entry figures are the Department of Transport and Planning's, rounded to 50. Labelling FY24-25 as 2025 is our convention. The round trip, the failed lookups and the error messages are our own measurement, using Python's standard json module.

Python habits

Saving data so it comes back the same

Files and APIs carry JSON everywhere. These habits keep a program's data intact on the way out and back in.

Habits, with the Yarra Ranges example
HabitIn codeIn the station project
Round-trip testAssert loads(dumps(x)) == xFails at once on the integer keys
Prefer recordsA list of small dictionaries{"station": "Upwey", "year": 2025, "entries": 97850}
Convert explicitlyint(key) after loadingYear keys rebuilt in one line
Avoid NaN in filesUse null for missingallow_nan=False makes Python refuse it

Primary learners

Save a Scratch-style game score to a file, reload it and check it is still a number.

Secondary learners

Run the round trip, find every failing lookup and fix the structure.

Adults

Write round-trip tests for the JSON files that work scripts already produce.

Upwey shows why the structure matters: 157,050 entries in FY18-19 and 97,850 in FY24-25, 62.3% of the earlier figure. A dashboard that silently fails to find 2025 would show nothing at all for that change.

Around the Yarra Ranges

Rail ends and seventy-eight schools

Background from rail entry statistics, the state register of schools and the 2027 school calendar.

Stations at line ends

Our boundary check places Belgrave, Tecoma and Upwey on one line and Lilydale and Mooroolbark on another; no other metropolitan station falls inside the boundary.

Seventy-eight schools

The 2025 list gives 78 schools a Yarra Ranges address: 56 primary, 10 secondary, 8 combined and 4 special. Healesville High School, Upwey High School and Lilydale Heights College are government secondaries.

Term 1, 2027

From the hills to the valley, government students return for Term 1 of 2027 on Thursday 28 January and leave for holidays on Thursday 25 March.

Shire-wide figures

The Census numbers on this page cover the whole Shire of Yarra Ranges, including the hills, the valley towns and the suburbs near Lilydale; individual towns have their own QuickStats.

Learning ladder

From saving a score to sharing data

Bands overlap; the free trial decides the real starting point.

Ages 6 to 10

Scratch projects

Games with lists and saved high scores, built step by step.

Scratch Coding for KidsCoding for Kids
Ages 10 to 14

First Python

Variables, lists, dictionaries and the first files.

Python and AI for KidsMaths Through Coding
Ages 14 to 18

Python with data

JSON, CSV and public datasets handled carefully.

Python for TeensData Science for Teens
University and adult

Programs that share data

Web apps, APIs and scripts that exchange JSON reliably.

Python MasterclassPython Web Development with Django and Flask Course
Coding and AI

AI tools write JSON code easily. Why learn it yourself in the Yarra Ranges?

Because AI-written code usually saves the data correctly and then reads it back with the wrong key type, and nothing complains until a lookup returns nothing.

Ask an assistant to "cache the station data in a JSON file" and you will get a neat json.dump and json.load. The program runs. Later, data['Upwey'][2025] raises a KeyError, or worse, a .get with a default hides it and a chart shows zero. Spotting why requires knowing that JSON keys are always text.

Learners who have seen all 35 lookups fail add a round-trip test to anything that touches a file. That small habit catches the same mistake in AI-generated code before it reaches anyone else.

The Yarra Ranges learner who tests the round trip is the one whose saved data can be trusted. The longer argument is in why teenagers should still learn to code in 2026.

Delivery

No drive needed, from the hills to the valley

Lessons happen on screen, so a learner in Warburton joins the same way as one in Mooroolbark.

Coding together live

Teacher and learner edit the same file and run it together.

Victorian terms

Plans follow state school terms and stop for the holidays.

A full first lesson

The free trial teaches real content and ends with a recommendation.

Groups of fifteen to twenty

Learners matched by level and pace, sometimes from other states.

Two lessons each week

Fixed times, around eight lessons a month, with breaks planned.

Teachers in India

A 5pm Yarra Ranges lesson in daylight saving starts at 11:30am India time, and at 12:30pm there after April.

Daylight saving

Melbourne clocks go forward on Sunday 4 October 2026 and back on Sunday 4 April 2027; India keeps one time all year. Lesson times are set in Melbourne time.

Fees

Yarra Ranges class fees

Three simple prices.

First classUSD 0

The first lesson is free and closes with an honest recommendation.

Group tuitionUSD 100

A month of group lessons, usually eight, with fifteen to twenty learners at a matched level.

Private tuitionUSD 150

About eight lessons a month with one teacher.

Payments from outside India are made in US dollars. Nothing is billed before the trial lesson, and only after a course and a weekly slot are chosen; for school holidays, missed lessons or a change of format, see the pricing page.

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Reviews

Google reviews from families and learners

Rated 4.9 across 547 Google reviews. These are real reviews, reproduced as written.

★★★★★

"The one step solution for my son. Modern Age Coders make learning coding so simple that kids love it. The teachers explain complex concepts clearly with practical exercises and interactive content."

Ria Mukherjee

Parent

★★★★★

"Modern Age Coders has been a game-changer for me. I struggled to grasp IT concepts and coding before joining, but their classes transformed everything. I can now confidently write complex programs with ease."

Samriddha Mondal

Student

★★★★★

"One of the most wonderful education centres out there. Education is not limited to school syllabus but focuses on skill development."

Vansh Agarwal

Student

★★★★★

"My child Dhairya is really enjoying the Modern Age Coders classes. This is his first online class and he eagerly looks forward to it. I can already see his improvement, and the teachers are very cooperative."

Sonam Oswal

Parent of Dhairya

★★★★★

"Modern Age Coders have wonderful teachers who teach in a clear, easy and practical way. The teacher boosts students' confidence and inspires them to learn without hesitation."

Sonu Goyal

Parent

★★★★★

"I highly recommend this computer coding class! The teachers are incredibly knowledgeable and passionate about coding."

Ritu Kedia

Parent

Free placement class

Book a first Yarra Ranges lesson

Give us the age of the learner and a favourite subject or pastime. Older learners commonly begin by writing the station table to a JSON file and loading it again; younger ones often start with a Scratch game that remembers its top score.

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FAQ

Yarra Ranges Python and coding questions

Questions families and adults in the Yarra Ranges often ask.

What is the population of the Yarra Ranges?

The 2021 Census QuickStats record 156,068 residents in the Shire of Yarra Ranges, with a median age of 40 and 43,981 families.

What is JSON?

JSON is a plain-text format for storing and sending data, used by files, websites and APIs. It has strings, numbers, true, false, null, lists and objects with text keys.

Why do integer keys change after json.loads?

JSON only allows text keys, so Python writes the integer 2025 as "2025". When the file is loaded, the key stays a string, and lookups using the integer fail.

What did the Yarra Ranges JSON project show?

After saving 35 station-year figures and reading them back, all 35 integer year lookups failed. Sets, tuple keys and dates refused to save, and NaN saved as text that strict JSON readers reject.

When should children start Python?

Most start with Scratch from six and move to Python around nine to twelve, depending on reading and typing.

Are Copilot Studio agents taught in group classes?

No. Copilot Studio lessons are private only; group learners in the Yarra Ranges code their agents in Python.

Is there a classroom in the Yarra Ranges?

No. Every lesson is live online, we have no premises in Australia, and the phone number we list is Indian.

How much do classes cost in the Yarra Ranges?

The first lesson is free. Group lessons then cost USD 100 a month for two live lessons a week, about eight a month, with fifteen to twenty learners, or USD 150 a month one to one. Course, format and time are agreed before any payment.

How big are the groups?

Fifteen to twenty learners, matched by level, pace and goal. When no group suits the learner's schedule, one-to-one lessons are offered.

What internet connection is needed?

A steady home connection that handles a video call is enough; the code runs in a browser or on the learner's own computer.

Explore Melbourne and Victoria

More for Yarra Ranges learners

Closer to the city, Box Hill and Doncaster have their own pages. Hills families can also browse all of Melbourne or Victoria as a whole.

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