What is the best coding class in Skerries?
Skerries has 10,666 usual residents, and 3,410 of its households report broadband, the one connection a lesson with us needs. Every lesson is live on video, with a teacher and either a few learners at the same level or a single learner, usually twice a week, for ages six to sixty-seven. A first lesson costs nothing; after it, the monthly price is USD 100 in a group or USD 150 one to one.
Lists that rank places, from top towns to live in to leading counties for families, are usually built the same way: pick a few indicators, give each a weight, add them up. This page builds one from three census shares for the 53 towns of 10,000 or more people, and Skerries does well under equal weights, coming fourth. Then the learner tries every weighting in steps of a tenth, 66 in all. Skerries lands anywhere from third to twenty-sixth, and four different towns take first place depending on the weights. Nothing about the towns changed. Only the opinion built into the weights did, and that is the lesson worth taking to every league table.
Facts last verified 19 September 2026. Teaching is online; no Skerries branch is claimed.
Four starting courses by age; whichever is chosen, the first lesson is free and decides the level.

Block coding with scoring games, where changing the points for each action changes who wins.
See the syllabus
Weighted averages, scaling and ranking built in code and tested on real numbers.
See the syllabus
Composite scores, normalisation and sensitivity checks on public data.
See the syllabus
For adults who build scorecards, rankings or dashboards and need to defend the weights.
See the syllabusBrowse the course atlas for more than one hundred options and use the coding roadmap to check prerequisites.
The four we are known for
These run underneath everything above. Every one is live and online, placed by ability rather than by age, and the first class is free.

Python, web and AI projects where the learner still owns the thinking.
See the syllabus
Automate the work you already do, then let AI carry part of it.
See the syllabus
Train a model, read what it learned, and be able to say why it is wrong.
See the syllabus
Run AI coding agents on real work without losing control of the codebase.
See the syllabusThree census shares, scaled so that the lowest town scores 0 and the highest 1, then combined with weights that add up to one. The learner runs all 66 combinations in steps of a tenth.
| Indicator | Skerries | Rank alone |
|---|---|---|
| Households with broadband | 94.2% | 13th |
| Adults with an honours degree or higher | 37.2% | 7th |
| Journeys taking under 15 minutes | 37.9% | 26th |
Give each indicator a third of the score and Skerries comes fourth of the 53 towns. On its own that looks like a finding about Skerries. It is really a finding about equal weights.
Across the 66 weightings Skerries ranks anywhere from 3rd to 26th. It is in the top five under 19 of them and the top ten under 47. Put all the weight on short journeys and it falls to 26th.
The town in first place changes too: Maynooth under 38 of the weightings, Shannon under 18, Letterkenny under 6 and Portmarnock under 4. Each could headline its own "number one town" list without a single figure being wrong.
| Pair of indicators | Correlation |
|---|---|
| Broadband and degrees | 0.70 |
| Broadband and short journeys | minus 0.74 |
| Degrees and short journeys | minus 0.50 |
When indicators pull in opposite directions, as broadband and short journeys do here, the weights decide the order. Across all 53 towns the median gap between a town's highest and lowest position is 33 places. Any ranking built this way should come with its ingredients, its weights and a note of how far the order moves when the weights change. Without those three, it is an opinion that happens to be arithmetic.
The learner computes each share for every town, rescales each so the lowest town scores 0 and the highest 1, and writes a function that takes three weights and returns the ranked list. A double loop generates every weighting that adds to one in steps of a tenth and records where each town lands. From that record come the numbers on this page: Skerries' highest and lowest position, how often each town is first, and how widely each town's rank swings. The final exercise is to write the paragraph that would have to accompany a published version of the table.
The same questions work for rankings of towns, schools, universities or products.
A different trio of indicators would produce a different table. Choosing them is already a view about what matters.
Equal weights sound neutral but are a choice like any other. Here they put Skerries fourth; other defensible weights put it twenty-sixth.
A result that survives most reasonable weightings is worth reporting. One that flips with small changes is a result about the weights.
What this page does not claim
The score is made up for teaching and says nothing about where anyone should live. The three indicators were chosen to show the effect of weights, not to measure quality of life, and the towns at the bottom of any weighting are deliberately not named.
Census 2022 small area figures for the town of Skerries, Co Dublin, covering people who usually live there and their households.
| Topic | Skerries |
|---|---|
| Usual residents | 10,666 |
| Households with broadband | 3,410 |
| Working residents in the travel table | 4,688 |
| Journeys to school, college or childcare | 3,014 |
| Children under fifteen in childcare | 836 |
| Journeys taking under 15 minutes | 2,315 |
| Working residents who take the train | 783 |
Of 4,688 working residents, 2,146 drive, 841 work mainly at or from home and 783 take the train; 265 walk, 187 go by van, 168 by bus, 93 as a car passenger and 52 by bicycle.
Of 3,014 journeys to school, college or childcare, 1,284 are on foot and 817 as a car passenger, with 339 by train, 266 by bicycle and 135 by bus.
The home-working question drew these answers from Skerries workers: 2,311 at least partly from home, 2,138 never, and 239 unanswered.
The station
Irish Rail gives the address as Skerries train station, Station Road, Skerries, Co. Dublin, Eircode K34 CF63, with sheltered bike parking. It has no connection with us. The Skerries Mills website refused automated requests on 19 September 2026, so nothing is quoted from it.
Two teacher-led live lessons fill a normal week.
The census-night age table counts 1,169 children aged six to twelve in Skerries. They begin with blocks and scoring games, and learn that changing the points changes the winner.
The 919 Skerries residents aged thirteen to eighteen are at the point where Python, making websites, AI projects and data work like this weighting exercise make sense.
Adults start from any level, including none, and the first lesson finds the right course.
All census numbers are the Central Statistics Office's as issued. The score is ours, built only to show how weighting works, and all 66 weightings were run on 19 September 2026. The station details come from Irish Rail.
Ages are indicative only; the level is found in lesson one.
Block-coded games where changing the points for each action changes who comes first.
Coding for KidsScratch Coding for KidsPython that combines scores with weights and ranks the results.
Maths Through CodingPython and AI for KidsScaling, weighting and testing how far a ranking moves, on real data.
Data Science for TeensAI and Machine Learning for TeensSupplier, staff and project scorecards whose weights have to be stated and defended.
Data Analysis CourseData and AI Analytics for Non-Programmers (Excel, Sheets, Power BI)It will give a confident answer. Ask what it weighted and how.
An AI assistant asked to rank towns will usually produce a list with reasons, drawing on whatever rankings it has seen. Every such list rests on weights, and on this page four different towns come top from the same three census figures depending on the weights alone. A list that does not show its weights cannot be checked.
A learner who has run the 66 weightings asks the assistant to name its criteria, state their weights and say which towns would change places if the weights moved. The answer that comes back is less exciting and far more useful.
Rankings are easy to produce. Showing how much of a ranking is choice is what makes it honest. The longer argument is in why coding repays the time it takes.
The arrangements.
Every lesson is taught in real time, and the teacher works from the learner's code.
Groups hold between five and ten learners, all at one stage, joining from Fingal, elsewhere in Ireland or abroad.
A typical month has about eight lessons, at hours agreed at the start.
Holidays, mid-terms and exams are allowed for in advance.
A computer with a keyboard, working sound in and out, and a broadband connection reliable enough for video.
Private lessons suit anyone the current groups do not fit, whether by level, by speed or by timetable.
No local premises
Skerries learners take every lesson on video. We have no classroom in Skerries or anywhere in Ireland, and a lesson is the same from any connected home.
Every charge.
A full first lesson with the level assessed, free.
A month in a group of five to ten at one stage, about eight live lessons.
A month of one-to-one lessons at the same weekly rhythm.
The monthly fee is in US dollars and is the same in every country except India. There is no charge for the first lesson, the first month is billed when the course starts, and holidays, missed lessons and a switch of format follow the rules on the pricing page.
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Tell us the learner's age and interests and we will plan their first hour. It might end with a game, a working program, or a score whose weights they chose and can defend.
What Skerries families ask before booking.
Census 2022 recorded 10,666 usual residents in Skerries, and 3,410 of the town's households have broadband.
Building a made-up score for the 53 towns of 10,000 or more from three census shares, then trying all 66 weightings. Skerries comes fourth with equal weights but anywhere from third to twenty-sixth across the weightings, and four different towns can come first.
There is no single answer. The position depends on which indicators are used and how they are weighted, which is the point of the project; a fair summary is that Skerries is in the top ten under 47 of the 66 weightings tried.
Of 4,688 working residents in the travel table, 2,146 drive, 841 work mainly at or from home, 783 take the train, 265 walk and 187 use a van.
On school days from late afternoon, and at weekends. Our teachers are in India, which is four and a half hours ahead of Skerries during Irish summer time and five and a half ahead in winter; Skerries lessons are set in Irish time at hours that suit both.
They can, up to sixty-seven and with or without experience. Whether an adult is happier in a small group of the same level or learning one to one usually becomes clear in the first lesson.
Groups follow level, not address, so classmates may be in Fingal, elsewhere in Ireland or abroad.
No, and we never imply one. Teaching is live over video only, with no premises in Ireland. A learner needs a laptop or desktop, working sound and a steady connection, and the number shown here belongs to India.
The first lesson is free. After that a shared place costs USD 100 a month and brings two live lessons a week, about eight monthly, with five to ten learners; one to one on the same schedule is USD 150 a month. Everything is agreed before payment.
Five to ten, grouped by ability, pace and goal rather than age or address. Where nothing suitable meets at a workable hour, we teach one to one instead.
The Fingal page covers the area, and the neighbouring town pages include Rush, Balbriggan and Portmarnock, all in Leinster. There is also a comparison of online coding schools, and the Ireland hub covers every county and town.