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Clontarf, Dublin 3

Coding classes in Clontarf

What are the best coding classes in Clontarf?

For Clontarf, each lesson is a live video class with a teacher, taken in a small group of learners at one level or one to one, twice in most weeks, and open to anyone aged six up to sixty-seven. It all happens from home. The opening lesson costs nothing; from the second month on it is USD 100 monthly in a group or USD 150 monthly one to one.

The Marine Institute predicts the tide at Dublin Port years ahead, and its tide gauge there records what the sea actually does every five minutes. Over the first eight months of 2026 the prediction explained 97.9 percent of how the water rose and fell. That sounds like the end of the story, and it is the start. Subtract the prediction from the reading and what is left over, the residual, reached 1.01 metres before dawn on 27 January. This page teaches a learner to build that residual, test whether it is the model's fault or something outside it, and read what it shows.

Book the free classAsk on WhatsApp

Facts last verified 20 September 2026. Teaching is online; no Clontarf branch is claimed.

Courses for Clontarf

Four first courses for Clontarf

Pick the age band first; the teacher uses the free lesson to check the level and will suggest another course if it fits better.

Coding for Kids course thumbnail
Ages 6 to 10

Coding for Kids

Blocks and guesses: predict the next number in a pattern, then count how far off each guess was.

See the syllabus
 Python and AI for Kids course thumbnail
Ages 10 to 13

Python and AI for Kids

Python with two lists, a prediction and a measurement, and the differences between them.

See the syllabus
 Data Science for Teens course thumbnail
Ages 13 to 18

Data Science for Teens

Real tide data in Python: lining up time stamps, residuals, variance explained and autocorrelation.

See the syllabus
 Data Analysis Course course thumbnail
College and adult

Data Analysis Course

For adults who judge forecasts at work and want to know what a good-looking fit is hiding.

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
Signature project

What the tide table missed: observed minus predicted at Dublin Port

Both series come from the Marine Institute: the tide gauge readings for Dublin Port and its tide prediction for the same station, each in metres above Ordnance Datum Malin, from 1 January to 31 August 2026.

Dublin Port, 1 January to 31 August 2026
What was comparedResult
Five-minute readings with a matching prediction68,800, or 98.3 percent of the period
Share of the rise and fall the prediction explains97.9 percent
Average of reading minus predictionplus 0.07 metres
Largest excess, 27 January at 05:351.01 metres
Highest water recorded, 3 February2.31 metres, with 1.98 predicted

Almost everything

Over eight months the prediction accounts for 97.9 percent of the variation in the water level at Dublin Port. A learner who stopped there would have a very good model and would miss the most interesting 2.1 percent.

A metre above the table

At 05:35 on 27 January the sea stood 1.01 metres above the predicted level, and across that whole day it averaged half a metre over. The residual shows that something beyond the tide raised the water; this page does not guess what it was.

The highest tides

The highest water of the eight months came on 3 February at 2.31 metres, against 1.98 predicted. The tide the table rated highest, 2.03 metres in mid-August, arrived at 1.88.

A good fit still leaves something over, and that is where to look

Subtract the prediction from the observation and ask two questions of what remains. Does it rise and fall with the thing being modelled? Then the model is wrong in a regular way, such as its timing. Does it drift slowly and last for hours or days? Then something outside the model is at work. At Dublin Port the answer is the second, and the Marine Institute forecasts that part separately, as sea surface elevation due to storm surge.

The learner's program downloads both series from the Marine Institute's data server, lines them up on their time stamps, and subtracts. It then measures how much of the variation the prediction explains, finds the largest excesses, averages them by day, and checks how long the residual persists: readings an hour apart have a correlation of 0.95, six hours apart 0.70, and a day apart still 0.51. Last, it tests the model's timing. The residual has almost no link with how fast the predicted tide is rising or falling, a correlation of 0.015, and sliding the prediction up to an hour earlier or later never shrinks the residual, so the table's clock is right and the leftover is not a timing error.

Unknown, not good

Every one of the 68,800 readings carries quality flag 0, which the dataset defines as unknown; 1 would mean good and 9 missing. The program uses them and says so, rather than treating an unknown as a pass.

One zero for both

Readings and predictions each come in two versions, measured above Lowest Astronomical Tide and above Ordnance Datum Malin. The program uses Malin for both, because levels measured from different zeros cannot be subtracted.

Where the gauge is

The Dublin Port gauge sits at 53.3457 north, 6.2217 west, about 4 kilometres from the coordinates the council gives for St Anne's Park. The page reports the gauge, not the Clontarf shoreline itself.

Clontarf, named

Clontarf from its island, its park and its station

Each fact is taken from the body that looks after the place.

Named places in and off Clontarf
PlaceWhat its own source says
North Bull IslandAbout 5 km long and 1 km wide, nearly 15 square kilometres
St Anne's ParkClontarf East, Raheny, D05 EA31
Clontarf Road stationClontarf Road, Dublin 3, D03 K6E8
Dublin Port tide gaugeMarine Institute, a reading every five minutes

An island made by a wall

Dublin City Council says Bull Island is man-made, created about 200 years ago when the North Bull Wall was built, and that it keeps growing seaward, which the council calls a rare natural occurrence in Ireland. Its figure for the area, nearly 15 square kilometres, includes both land and seashore.

Protected ground

The island became the country's first official bird sanctuary in the 1930s and a UNESCO Biosphere Reserve in 1981, and the causeway out to it was built from 1962 to 1964.

The station

Irish Rail lists Clontarf Road as unstaffed, with lifts and a footbridge to both platforms and 20 bike spaces, none of them sheltered.

What this page does not claim

No population is given for Clontarf, since the page uses only what named bodies publish about the place. The tide figures come from one gauge at Dublin Port, and the page makes no claim about flooding or flood risk anywhere on the Clontarf shore.

Learning here

A week of lessons for a Clontarf learner

There are two lessons in an ordinary week, and the teacher takes each one live from start to finish.

Children

Children open with block code and prediction games, keeping score of how far each guess missed.

Teenagers

Teenagers go on to Python, websites, AI projects and live data services like the Marine Institute's, with the statistics worked out in code.

Adults

Adults can start with no experience; the first lesson decides where.

Readings and predictions are the Marine Institute's; the pairing, residuals, variance explained, persistence and timing tests were computed by us on 20 September 2026. Island, park and station details are taken from Dublin City Council and Irish Rail.

Learning ladder

From a guessing game to a model check

The bands are only a starting point; lesson one confirms the level.

Ages 6 to 10

How far off?

Block-coded guessing games that keep the gap between each guess and the answer.

Coding for KidsScratch Coding for Kids
Ages 11 to 13

Two lists

Python that lines up predictions and measurements and subtracts them.

Python and AI for KidsMaths Through Coding
Ages 14 to 18

Residuals

Variance explained, autocorrelation and timing tests on real tide data.

Data Science for TeensPython for Teens
Ages 18 to 67

Judging a forecast

Reading what a model leaves over before trusting its headline accuracy.

Data Analysis CourseData and AI Analytics for Non-Programmers (Excel, Sheets, Power BI)
Coding and AI

Ask an assistant how good the tide prediction is

It will report a high score. The residual is the better answer.

Give an AI assistant the two series and ask how well the prediction performs, and it will probably report a correlation or a variance explained close to 98 percent and call the model excellent. It would be right, and it would say nothing about the morning the sea stood a metre higher than the table.

The learner who has built this project asks for the residual, plots it, and asks whether it tracks the tide or drifts on its own. With that question an assistant can help write the tests; without it, a single summary number hides the part that matters most.

A model's score tells you how often it is right. Its residual tells you when, and how badly, it is wrong. The longer argument is in why learning to code still pays off in 2026.

Delivery

How lessons run for Clontarf

The details.

Taught as it happens

The teacher leads every lesson live and follows each learner's code as they type it.

Level-matched

Five to ten learners sharing a level, whether they are in Clontarf, elsewhere in Ireland or abroad.

Steady routine

Two set days a week, which works out at about eight lessons a month.

School year in mind

The plan allows for holidays, mid-term breaks and exam season.

Needed at home

A desktop or laptop, a microphone, a way to hear, and an internet connection that holds up on video.

Just one learner

Private lessons for a learner who is ahead, wants more time, or needs hours no group offers.

No premises

There is no Modern Age Coders site in Clontarf or anywhere in Ireland. Every lesson is live on video and runs the same wherever the learner joins.

Fees

Fees for Clontarf

Clearly stated.

First classUSD 0

A no-cost first lesson that includes a level check.

Group tuitionUSD 100

A month in a group of five to ten at the same level, about eight live lessons.

Private tuitionUSD 150

A month of one-to-one lessons in the same pattern.

Outside India one US dollar fee applies to every family, month by month. The free lesson involves no commitment, charging starts when the course does, and the pricing page covers holidays, missed lessons and moving between group and private lessons.

Request placementCheck availability
Reviews

Google reviews from families, left exactly as written

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 free first lesson in Clontarf

Tell us the learner's age and interests and we will shape the first lesson to fit. It might end with a small game, a program that runs, or a chart of how far a prediction missed.

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FAQ

Clontarf coding class questions

What Clontarf families ask us most.

Is there a Modern Age Coders centre in Clontarf?

No. We teach live on video, with no premises anywhere in Ireland. A learner needs a computer, a microphone and sound, and a dependable connection. The contact number on the page is in India.

What is the tide gauge project?

The learner pairs the Marine Institute's Dublin Port tide readings with its tide prediction for January to August 2026, 68,800 matched readings, and studies the difference: the prediction explains 97.9 percent of the rise and fall, yet the leftover reached 1.01 metres on 27 January.

Does the page say anything about flooding in Clontarf?

No. It reports one gauge at Dublin Port and what a prediction leaves over. Flood risk on the Clontarf shore is a different question, and the page does not attempt it.

Why is there no population for Clontarf on this page?

District pages use only what named organisations publish about the place itself, here the Marine Institute, Dublin City Council and Irish Rail, and none of them gives a head count for Clontarf.

What hours are the lessons?

Weekday lessons run from after school into the evening, and weekend ones in the daytime. We keep times in Irish time. The teachers work from India, which is four and a half hours ahead of Clontarf in the Irish summer and five and a half hours ahead in winter, so every slot we offer is chosen to be workable at both ends.

Can adults enrol?

Yes, anyone up to sixty-seven, whether or not they have coded before. After the free lesson an adult chooses a group at their level or one-to-one teaching.

Will my child learn alongside other Clontarf children?

Maybe, but we group by level, so classmates are just as likely to be elsewhere in Ireland or overseas.

What do coding classes in Clontarf cost?

The first lesson is free. Then a group place is USD 100 a month for about eight live lessons, two a week, in a group of five to ten, and one-to-one lessons on the same schedule are USD 150 a month. Terms are agreed before any payment.

How many are in each group?

Five to ten learners, put together by level, pace and goals rather than age or neighbourhood. Where no group suits a workable time, lessons are one to one.

Explore Ireland

Along the north shore

Inland, Drumcondra has a project on noise readings and Glasnevin one on temperature records. The Dublin page covers the city, and the Ireland hub gathers every other page.

Book the free classMessage us on WhatsApp
Free Clontarf classCall +91 91233 66161

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