What are the best coding classes in Salford?
Census 2021 counted 269,923 usual residents in Salford, and 9.8% of them were aged 25 to 29, against 6.6% in England. The Working Class Movement Library, begun in the 1950s by Eddie and Ruth Frow from the books that filled their home, has been at Jubilee House in Salford since 1987. Anyone in Salford from six to sixty-seven can take our live video lessons, joining a class of five to ten at a matching level or learning privately, with teachers in India who keep UK hours. The first lesson is free; then a group place is USD 100 a month and one-to-one teaching USD 150.
The 2021 census splits Salford into 34 neighbourhoods and counts each one's residents in 18 age bands, from under-fives to over-85s. That is 612 numbers, too many to see at once. Principal component analysis asks which combinations of them vary most from place to place. For Salford, one combination does most of the work: the share of people in their twenties and thirties set against the share over sixty. It alone captures 61.1% of the variation, with Salford Quays, Greengate and Ordsall at one end and Worsley at the other. A second combination, the share of children, adds 18.9%. Our teenagers compute both, and learn why the answer changes if the numbers are not scaled first.
Facts last verified 23 September 2026. Teaching is online; no Salford branch is claimed.
Pick according to what the learner already enjoys. There is a free live lesson at the start of each course, and no card is needed.

Games and animations made from blocks, including simple charts that sort things into groups.
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Census tables and other public data in Python, from spreadsheets to the analysis on this page.
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Machine learning for teenagers, where principal components are a standard first step before training a model.
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Data science for adults, including dimension reduction, clustering and communicating what a model found.
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.
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Automate the work you already do, then let AI carry part of it.
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Train a model, read what it learned, and be able to say why it is wrong.
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Run AI coding agents on real work without losing control of the codebase.
See the syllabusCensus 2021 figures for the City of Salford, published by the Office for National Statistics and read from Nomis.
| Measure | Salford | England |
|---|---|---|
| Usual residents | 269,923 | 56,490,048 |
| Living in households | 264,237 | Not compared |
| Aged 20 to 24 | 22,657 (8.4%) | 6.0% |
| Aged 25 to 29 | 26,435 (9.8%) | 6.6% |
| Aged 30 to 34 | 24,441 (9.1%) | 7.0% |
| Students among residents aged 5 and over | 56,815 (22.5%) | 20.4% |
| Usual residents per square kilometre | 2,777.2 | 433.5 |
Each five-year band from 20 to 34 made up a larger share of Salford's residents in 2021 than of England's, led by 25 to 29 at 9.8%.
Of 252,666 residents aged five and over, 56,815 were at school or in full-time study, 22.5% against 20.4% for England.
At 2,777.2 residents per square kilometre on average, Salford joins dense riverside flats to the older suburbs and villages of its western side.
Our Salford learners cover that range. A Year 3 child in Broughton might be making a first game, a Year 11 student in Eccles revising for GCSE Computer Science, and a young professional at the Quays learning Python for a data role, each in a small group at the same level.
From the Working Class Movement Library's own account of itself.
Edmund and Ruth Frow, an engineer and a teacher, began the collection. The Library says their home was packed floor to ceiling with books and drew visitors from all over the country.
The collection became a charitable trust, turning one couple's shelves into an institution with a life of its own.
The Library moved into Jubilee House in Salford, a Grade II listed building, where it now cares for material covering 200 years of history.
We have no connection with the Working Class Movement Library. It opens this page because it is a story about data before computers: thousands of items gathered, catalogued and made searchable by people who wanted others to find patterns in them. The project below works with a different collection, the census, and asks how to see the pattern in hundreds of numbers at once.
Where the neighbourhood figures come from
The Office for National Statistics publishes Census 2021 age counts for middle layer super output areas, neighbourhoods of several thousand residents each, through Nomis. Salford has 34 of them, and the House of Commons Library gives each a readable name.
Principal component analysis finds the direction in which the data spread out most, then the next most, each independent of the ones before.
| Component | Share of variation | What it measures | Highest | Lowest |
|---|---|---|---|---|
| First | 61.1% | Ages 20 to 39 against ages 60 and over | Salford Quays, Greengate and Blackfriars | Worsley, Ellenbrook and Boothstown |
| Second | 18.9% | Children and teenagers against everyone else | Broughton East, Broughton Park | Salford Quays, Greengate and Blackfriars |
| Third | 9.1% | Smaller, harder-to-name differences | Not described | Not described |
| First two together | 80.0% | Most of the age story of the city | Not applicable | Not applicable |
Divide each age band by the neighbourhood's total, so a big neighbourhood and a small one can be compared on the same scale.
Standardise each band so it varies on an equal footing. Otherwise the bands that swing most, the twenties, drown out everything else.
A singular value decomposition returns the components in order, with a loading for each age band that says how much it counts in each component.
Skip the standardising step and the first component jumps to 76.3% of the variation, built almost entirely from the 25 to 29 and 20 to 24 bands. Nothing is wrong with that answer; it simply asks a different question, about the bands that vary most in raw terms. A report on principal components should always say whether the data were scaled, because the reader cannot guess.
The two components match what the raw shares show. People aged 20 to 29 make up 49.7% of Ordsall East but only 8.0% of Worsley; people over 65 make up 22.3% of Worsley but 2.7% of Greengate and Blackfriars; and under-fifteens are 36.8% of Broughton East but 5.1% of Salford Quays. The analysis does not discover these facts. It shows that, between them, they describe most of how Salford's neighbourhoods differ by age.
Learned on census age bands, then used on survey answers, sensor readings, images, genetics and the feature sets fed to machine learning models.
| Decision | For Salford | What goes wrong otherwise |
|---|---|---|
| What is a row? | One of 34 neighbourhoods, named | Mixing areas of very different types |
| Counts or shares? | Shares of each neighbourhood's total | Big neighbourhoods dominating |
| Scale or not? | Standardised, and unscaled shown too | The loudest variable taking over |
| How many components? | Two, covering 80.0% | Keeping noise or throwing away signal |
| What do they mean? | Read from the loadings, then checked against raw shares | Naming a component by guesswork |
Naming a component is the step people rush. The first Salford component is not called young against old because that sounds plausible; it earns the name because its loadings are positive for every band from 20 to 39 and negative for every band over 60, and because the raw shares in the top and bottom neighbourhoods confirm it.
Sorting a pile of objects by the one feature that separates them most clearly, and discovering a second feature that sorts what is left.
Census tables in Python, shares and standardisation, a principal component analysis written with numpy, and the loadings read carefully.
Dimension reduction at work, for surveys, customer data or sensors, with scaling and component counts reported openly.
We have no connection with the Office for National Statistics, the House of Commons Library, the Working Class Movement Library or Salford City Council. The census tables and neighbourhood names are published openly; the components, loadings and rankings here are our own analysis.
These age bands are a rough guide; the free lesson confirms the starting level.
Grouping objects by the most useful feature first, then the next, and talking about why.
Scratch Coding for KidsProblem Solving and Computational Thinking for KidsTurning counts into percentages in code, and drawing charts that compare places fairly.
Python and AI for KidsMaths Through CodingStandardising data, singular value decomposition with numpy, and reading loadings on real census figures.
Data Science for TeensAI and Machine Learning for TeensPCA for surveys, customers and sensors, and explaining what each component means to people who did not run it.
Data Science CourseStatistics & ProbabilityBecause the one line hides the choice that changed the answer on this page.
An AI assistant will run a principal component analysis and report that one component explains most of the variation. It may not mention whether the data were scaled, even though that choice moved the figure here from 61.1% to 76.3% and changed which ages dominate. A learner who has done both knows to ask, and knows how to read the loadings rather than trust a label.
Principal components sit inside a great deal of AI. They compress images, shrink the features fed to models, and help people see what a model has learned by projecting it into two dimensions. Understanding them on a city the learner knows makes those later uses far less mysterious.
So a Salford teenager should still learn to program in 2026, in a city whose library grew from one family's shelves: software can summarise hundreds of numbers instantly, but deciding what the summary means is still a person's job. The longer argument is in why coding is worth learning in 2026.
Salford runs from the Quays out to Irlam and Little Hulton, a long way on a weekday evening. Online, there is no journey.
A learner in Ordsall and another in Walkden can share the same class without either crossing the city.
Reception, the four Key Stages, Year 9 options, GCSEs and A levels, as Salford schools call them, with every lesson in English.
The free session works through real material and closes with our suggested level, course and weekly slot, with no card requested.
Five to ten learners at one level, from Salford, the rest of the UK and overseas, so every stage has a workable time.
Two fixed lessons a week, about eight a month, with holidays and exams planned with the teacher in advance.
A 6 pm lesson in Salford starts at 10.30 pm in India during British Summer Time and 11.30 pm in winter. Our teachers work those hours so Salford learners can join after school or work.
Across Greater Manchester
Families in Manchester, Trafford, Bolton or Wigan join exactly the same classes, because lessons are online and groups are formed by level.
One free lesson, then a single fee each month.
A complete lesson without charge, ending with a suggested level, course and weekly time.
Around eight live lessons a month in a group of five to ten learners at one stage.
Around eight live lessons a month, with the teacher working with your learner alone.
Irlam and Pendleton are charged the same as anywhere else outside India: one fee, in US dollars, with no pound prices on our site. We only bill after the free lesson, once a course and a time are settled, and the pricing page explains pausing, missed lessons and moving between group and one-to-one teaching.
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We pick the first task by level: a sort-and-sort-again game for a young child, a short Python program that turns counts into percentages for a beginner, or the census tables and a principal component analysis for a teenager ready for real data.
The questions Salford families ask most often.
Census 2021 counted 269,923 usual residents in the City of Salford, of whom 264,237 lived in households and the rest in communal establishments such as student halls and care homes.
Salford skews towards young adults: in 2021, 9.8% of residents were aged 25 to 29 (England 6.6%) and 22.5% of those aged five and over were students (England 20.4%). Density was 2,777.2 residents per square kilometre, against 433.5 nationally.
A method that finds the few combinations of many variables that capture most of how the data vary. It lets you describe each neighbourhood with two numbers instead of eighteen while losing as little as possible.
One component, young adults against over-sixties, explains 61.1% of the variation in age structure across 34 neighbourhoods; a second, the share of children, adds 18.9%. Salford Quays and Worsley sit at opposite ends of the first.
Census 2021 age counts for middle layer super output areas, published by the Office for National Statistics on Nomis, with readable names from the House of Commons Library.
An independent library and archive, begun in the 1950s by Eddie and Ruth Frow and housed since 1987 in Jubilee House in Salford, according to the Library. We are not connected with it.
After school, in the evening or at weekends, at a UK time agreed during the free lesson. India is four and a half hours ahead of Salford in summer and five and a half in winter.
No. There is no Salford centre and we have no premises anywhere in the UK; every lesson is live online. A learner needs a computer with sound and a steady connection, and our phone number is Indian.
The first lesson is free. After it, a group place is USD 100 a month for two live lessons a week, about eight a month, with five to ten learners, and one-to-one lessons on the same pattern are USD 150 a month. Course, format and time are agreed before any charge.
By level, pace and aims rather than age or postcode, with five to ten learners at one stage. If no group suits the learner's week, we offer one-to-one lessons.
Across the Irwell, the Manchester page times a river rise between two gauges, and up the M61 Preston fits a trend that one bad year cannot bend. Peterborough asks where its population growth will level off. The England guide sets out school stages in detail, and the UK coding page leads to every city.