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Gladstone, Queensland, Australia

Coding classes in Gladstone

What are the best coding classes in Gladstone?

For a Gladstone teenager or adult, a live class where a teacher writes working programs beside you, starting with Python basics and reaching the geometry engineers use on real rail maps. At the 2021 Census the Gladstone urban area held 45,185 people, and one employed resident in five, 4,265 people, worked in a technical or trade job. Classes happen on a video call, one to one or alongside a handful of learners working at the same stage, and nothing is charged for the first session.

A loaded coal train cannot turn like a car. Where it reverses at the port it runs round a balloon loop, a teardrop of track that brings it back the way it came. Queensland publishes its railway centrelines as open map data, and around Gladstone harbour that data names nine balloon loops. Our project asks a plain question of them: how sharp is the tightest part of each loop? The answer comes from a three-line piece of geometry, the circle through three points, and from one surprisingly important decision, how far apart those three points should be.

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Facts last verified 8 October 2026. Teaching is online; no Gladstone branch is claimed.

Course picks for Gladstone

Four courses that fit this project

Each one connects to the railway geometry below. The free first lesson decides where to begin, and no card is needed to book it.

Python for Teens course thumbnail
Ages 13 to 17

Python for Teens

Python from first lines to reading map coordinates and drawing them, every step explained before it is used.

See the syllabus
 Maths Through Coding course thumbnail
Ages 11 to 16

Maths Through Coding

Coordinates, triangles and circles made concrete by writing code that measures real shapes.

See the syllabus
 College Maths Course course thumbnail
University and adult

College Maths Course

Calculus and linear algebra for curvature, arc length and the maths behind engineering drawings.

See the syllabus
 Data Analysis Course course thumbnail
Adults

Data Analysis Course

Pulling public datasets, checking their quality and reporting what they can and cannot support.

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
Gladstone in the Census

A trades town of houses on Port Curtis

QuickStats for the Gladstone Significant Urban Area from the 2021 Census, set beside Queensland and Australia.

Gladstone at a glance, 2021 Census
CountGladstone urban area
Residents45,185
Middle age of all residents36 years
Families11,924
Private dwellings and household size20,608 dwellings, 2.5 residents each on average
Shares that set Gladstone apart from its state and the nation
Share ofGladstoneQueenslandAustralia
Separate houses, share of occupied homes13,971, or 82.8%74.8%72.3%
Flats or apartments, share of occupied homes1,543, or 9.1%12.5%14.2%
Technicians and trades workers, share of employed4,265, or 20.4%13.7%12.9%
Children aged 10 to 143,473, or 7.7%6.6%6.2%

Trades first

One employed resident in five works as a technician or tradesperson, half again Queensland's share and well above Australia's.

Young households

A median age of 36 and 7.7% of residents aged 10 to 14 make Gladstone younger than the state as a whole.

More than one town

The urban area takes in Gladstone itself, Clinton, Bangalee, Boyne Island and Tannum Sands, according to Queensland's place data.

The bureau adjusts small Census counts slightly to protect privacy, so a table's rows rarely add up exactly to its printed total. We quote totals and shares exactly as published and never invent a new total by adding rows ourselves.

Signature project

How tightly does a balloon loop turn?

Three points on a curve define one circle. Its radius measures the bend. Run that along a loop and the smallest radius marks the tightest turn.

What the Queensland railway layer holds around Gladstone (our count, queried 8 October 2026)
ItemFigure
Railway pieces in our extraction box458
Pieces captured from 10 cm aerial photography dated 30 May 2016426
Electrified pieces345 of 458
Named balloon loops9
Longest single loop piece (Wiggins Island)12,211 m
Smallest three-point radius on each loop as the spacing between points changes (our calculation)
Loop piecePoints 5 m apart20 m apart50 m apart100 m apart
Clinton Balloon Loop No 1, 4,281 m49 m159 m260 m288 m
Clinton Balloon Loop No 2, 4,504 m36 m171 m229 m257 m
Fishermans Landing, 1,567 m piece48 m149 m196 m220 m
Wiggins Island, 12,211 m piece38 m219 m363 m391 m

1. Resample

Walk along the mapped track and drop a new point every so many metres, so the spacing is equal whatever the original drawing did.

2. Circle through three

For every point and its two neighbours, the radius equals the product of the three side lengths divided by four times the triangle's area.

3. Take the minimum

The smallest radius on a loop is its sharpest bend. Straight runs give enormous radii and simply drop out.

Why 5 metres says 36 and 100 metres says 257

At 5 metre spacing the three points sit so close together that tiny wobbles in the drawn line, a few centimetres here and there, look like hairpin bends. Spread the points to 50 or 100 metres and those wobbles average away, leaving the real sweep of the track. A measurement can be precise and still wrong if it is taken at the wrong scale, and choosing the scale is part of the program.

Every radius here is our estimate from map geometry, computed from the Queensland layer as published, not a design figure for any railway. A loop drawn as several pieces gives slightly different numbers from one drawn whole, and we make no claim about train speeds or operations.

Inside the geometry

Five steps from a map line to a radius you can defend

The circumcircle formula takes one line of Python. Everything around it decides whether the answer means anything.

The pieces of the calculation and what each one protects
StepIn the Gladstone codeWhat goes wrong without it
Project to metresLongitude and latitude scaled to metres around 23.85 degrees southDistances come out in degrees and every radius is meaningless
Resample evenlyA new point every 5, 20, 50 or 100 m along each loopDensely drawn bends look sharper than sparsely drawn ones
Three-point radiusSide lengths a, b, c and twice the area from a cross productDividing by zero on straight track
Ignore straight runsCollinear triples give an infinite radius and are skippedAverages swamped by huge numbers
Compare spacingsThe same loop measured four ways in one tableOne spacing chosen by accident and reported as truth

The formula itself is centuries old: for a triangle with sides a, b and c and area K, the circle through its corners has radius a times b times c over 4K. What makes it modern coding is applying it a few thousand times along real track and noticing that the answer depends on the spacing, a fact the textbook formula never mentions.

Teenagers

Draw a circle with a compass, mark three points on it, compute the radius from them by hand, then in Python, then on the Gladstone loops.

University students

Compare the three-point estimate with the curvature formula from calculus, and with a least-effort smoothing that keeps the loop's shape.

Adults

Read a government spatial service, filter it by attribute and measure what you need with code you understand line by line.

We have no link with the state government, the rail operators named in the layer, the regional council or the statistics bureau. The bureau supplied the Census numbers; every radius and count in the project came out of our own program run over the public railway map.

Around Gladstone

Term 4 in Queensland and a clock that stays put

Two calendar facts that shape when a Gladstone learner studies.

End of the school year

State schools run their final 2026 term from Tuesday 6 October until Friday 11 December, according to the education department, and the summer break lasts until Tuesday 26 January 2027.

No daylight saving

Queensland keeps one clock all year, so a Gladstone lesson time never jumps when New South Wales or Victoria change theirs.

An old photograph

Most of the railway pieces were drawn from aerial photography taken on 30 May 2016, so newer track would not appear in this layer.

A map is a dated snapshot

Spatial layers carry the date their features were captured. Reading that date before trusting a measurement tells you what the map can and cannot show, and it is a habit every analyst of public data needs.

Learning ladder

From plotting points to measuring real track

The ages are guides; the free lesson decides where each learner starts.

Ages 13 to 14

Points and distances

Python that stores coordinates, measures between them and draws a simple map on screen.

Python for TeensMaths Through Coding
Ages 15 to 18

Geometry in code

Triangles, circles and loops, tested on the Gladstone railway data and on shapes drawn by hand.

Problem Solving for TeensHigh School Mathematics
University

Curvature and smoothing

Calculus-based curvature, resampling and noise, with every method checked against another.

College Maths CoursePython Masterclass
Adults

Spatial data at work

Querying public map services, cleaning results and writing clear, honest summaries for colleagues.

Data Analysis CourseMySQL Course
Coding and AI

An AI assistant will hand you a curvature function in seconds. Why should a Gladstone learner understand it?

Because the function will run happily at 5 metre spacing and report hairpin bends that do not exist, and only someone who understands the geometry will doubt it.

Ask a chatbot for code that finds the tightest bend on a track and you will get a neat three-point circle. It will compile, it will return numbers and those numbers will look precise to the metre. Nothing in the code warns you that the spacing of the points decides the answer, that a densely drawn curve looks sharper than it is, or that straight sections produce infinite radii that break an average.

That gap is what we teach. A Gladstone learner who has resampled the loops and watched 36 metres become 257 metres knows which line of the program to question first. Pointed at AI-written code, that knowledge turns a fast first draft into a measurement worth putting in a report.

Generating code costs almost nothing now; deciding whether its numbers mean anything is the skill, and it is learned by writing the code yourself. The longer argument is in why teenagers should still learn to code in 2026.

Delivery

Clinton, Boyne Island or Tannum Sands, the same live lesson

The urban area stretches along the coast, and a video lesson reaches every part of it without a drive.

One room for the whole coast

A learner at Tannum Sands and one in central Gladstone can join the same session, each from home.

Local year levels

Teachers speak in the year levels Gladstone schools use and line homework up with the four Queensland terms. All teaching is in English.

A real first lesson

The free session is an ordinary lesson rather than a sales call, and it ends with a suggested level, course and time. No card is needed to book.

Groups at one level

Fifteen to twenty learners working at the same stage, from Gladstone and other places, so a regional city still gets a full group.

Twice a week

About eight lessons a month in a fixed slot, with exam weeks and holidays agreed with the teacher in advance.

Four and a half hours apart

Neither Queensland nor India changes its clocks, so 6pm in Gladstone is 1:30pm India time in every month of the year.

One gap, all year

Our teachers work four and a half hours behind Gladstone in January and in July alike. Lesson times are always confirmed in Queensland time.

Fees

What classes cost in Gladstone

Three lines cover the whole price list.

First classUSD 0

One complete lesson at no charge, after which you receive a level, a course suggestion and a regular time.

Group tuitionUSD 100

A month of lessons, usually eight, shared with fifteen to twenty learners at your level.

Private tuitionUSD 150

Roughly eight lessons a month on the same pattern, with one teacher working only with you.

Fees are charged in US dollars everywhere outside India, so a family in Clinton pays exactly what a family in Boyne Island pays. Nothing is billed until the trial has settled a course and a weekly slot, and the pricing page explains holidays, missed lessons and moving between group and private classes.

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Reviews

What parents and learners say on Google

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

What should the first lesson cover?

Mention who is learning and what they enjoy, and the opening task follows from that: a compass-drawn circle measured by hand for a Year 8 student, or the whole loop survey for an older learner.

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FAQ

Gladstone coding class questions

What Gladstone learners and parents usually ask first.

How many people live in Gladstone?

45,185, counting everyone in the Gladstone urban area on Census night 2021. Half of them were younger than 36.

What is a balloon loop?

A balloon loop is a loop of railway track that lets a whole train turn round without reversing. Gladstone's port has several, and Queensland's railway map data names nine around the harbour.

What is the three-point radius?

Any three points that do not lie on one straight line sit on exactly one circle. Its radius is the product of the triangle's three sides divided by four times its area, and a smaller radius means a sharper bend.

What does the Gladstone project show?

Measured with points 5 metres apart, Clinton Balloon Loop No 2 seems to bend with a 36 metre radius; with points 100 metres apart the figure is 257 metres. Small wobbles in the drawn line dominate at fine spacing, so choosing the spacing is part of measuring well.

Can Year 11 and 12 students from Gladstone join?

Yes. Senior students get help with the computing and maths behind their subjects, timed around the Queensland school calendar. Anything handed in for school marks is written by the student alone.

When are lessons for Gladstone learners?

After school on weekdays or a Saturday morning suits most families. The slot is fixed at the trial and written in local time, which sits four and a half hours ahead of our teachers in every season.

Can younger children join?

Yes. Live classes start from age six with Scratch and simple drawing projects before any typed code; the railway project simply suits older learners.

Is there a Modern Age Coders centre in Gladstone?

No, and none is claimed. Every lesson is live and online with no premises in Australia. A learner needs a laptop or desktop, working sound and a steady connection, and the contact number shown is an Indian one.

What do Gladstone coding classes cost?

The first lesson is free. After that a group place is USD 100 a month for two live lessons a week, around eight a month, with fifteen to twenty learners, or USD 150 a month for the same pattern one to one. Course, format and time are agreed before anything is paid.

How big are the groups?

Fifteen to twenty learners, matched on level, pace and goals rather than age or postcode. If no suitable group meets at a workable time, one-to-one lessons are offered instead.

Explore Australia

More for Gladstone and Queensland learners

Up the coast, Rockhampton has its own page, and the state capital is covered on the Brisbane page. For a statewide view read coding and AI classes in Queensland; puzzle lovers can continue with problem solving through coding, and the national coding page links every Australian guide.

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