Tudor Sitaru f05bbba613
Build and Push Docker Images / Build Backend (FastAPI) (push) Successful in 21s
Build and Push Docker Images / Build Frontend (Next.js) (push) Successful in 50s
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perf: resolve all P1–P5 performance issues from code review
P1 (backend/data_loader.py): Add load_latest_school_data() which pre-computes
the one-row-per-school latest-year snapshot (groupby, prev-year trend merge)
once at startup instead of on every /api/schools request. get_schools route
now starts from the cached snapshot rather than rebuilding it.

S3 (backend/app.py): Wrap synchronous geocode_single_postcode() call in
asyncio.to_thread() so postcode lookups no longer block the uvicorn event
loop. Admin reload endpoint also uses to_thread for both cache primes.

P2 (nextjs-app/components/HomeView.tsx): Add mapParamsRef guard so switching
back to map view does not re-fetch 500 schools when search params haven't
changed. Reset ref on new searches so fresh data is always fetched.

P3 (nextjs-app/lib/chartSetup.ts): Extract Chart.js registration into a
shared side-effect module. ComparisonChart and PerformanceChart now import
it instead of each calling ChartJS.register() independently.

P4 (backend/database.py): Remove unnecessary db.commit() from the read-only
get_db_session() context manager — saves a DB round-trip on every request.

P5 (backend/database.py): Add pool_recycle=1800 to SQLAlchemy engine to
prevent stale TCP connections from accumulating in long-running processes.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
2026-04-15 22:45:46 +01:00
2026-01-06 19:05:22 +00:00
2026-04-07 16:17:56 +01:00
2026-01-07 16:20:49 +00:00
2026-01-07 16:20:49 +00:00
2026-01-06 21:34:40 +00:00
2026-04-01 15:05:21 +01:00

Primary School Compass 🧒📚

A modern web application for comparing primary school (KS2) performance data in Wandsworth and Merton over the last 5 years. Built with FastAPI and vanilla JavaScript with Chart.js visualizations.

Python FastAPI License

Features

  • 📊 Interactive Charts - Visualize KS2 performance trends over time
  • 🔍 Smart Search - Find primary schools by name in Wandsworth & Merton
  • ⚖️ Side-by-Side Comparison - Compare up to 5 schools simultaneously
  • 🏆 Rankings - View top-performing primary schools by various KS2 metrics
  • 📱 Responsive Design - Works beautifully on desktop and mobile

Key Metrics (KS2)

The application tracks these Key Stage 2 performance indicators:

Metric Description
Reading Progress Progress in reading from KS1 to KS2
Writing Progress Progress in writing from KS1 to KS2
Maths Progress Progress in maths from KS1 to KS2
Reading Expected % Percentage meeting expected standard in reading
Writing Expected % Percentage meeting expected standard in writing
Maths Expected % Percentage meeting expected standard in maths
Reading, Writing & Maths Combined % Percentage meeting expected standard in all three subjects

Quick Start

1. Clone and Setup

cd school_results

# Create virtual environment
python -m venv venv
source venv/bin/activate  # On Windows: venv\Scripts\activate

# Install dependencies
pip install -r requirements.txt

2. Run the Application

# Start the server
python -m uvicorn backend.app:app --reload --port 8000

Then open http://localhost:8000 in your browser.

The app will run with sample data by default, showing 110 primary schools (66 in Wandsworth, 44 in Merton) with 5 years of KS2 performance data.

3. (Optional) Use Real Data

To use real UK school performance data:

  1. Visit Compare School Performance - Download Data

  2. Download Key Stage 2 data for the years you want (2019-2024)

    • Select "Key Stage 2" as the data type
  3. Place the CSV files in the data/ folder

  4. Restart the server - it will automatically load and filter to Wandsworth & Merton schools

Note: The app only displays schools in Wandsworth and Merton. Data from other areas will be filtered out.

See the helper script for more details:

python scripts/download_data.py

Project Structure

school_results/
├── backend/
│   └── app.py           # FastAPI application with all API endpoints
├── frontend/
│   ├── index.html       # Main HTML page
│   ├── styles.css       # Styling (warm, editorial design)
│   └── app.js           # Frontend JavaScript
├── data/
│   └── .gitkeep         # Place CSV data files here
├── scripts/
│   └── download_data.py # Helper for downloading/processing data
├── requirements.txt     # Python dependencies
└── README.md

API Endpoints

Endpoint Description
GET /api/schools List schools with optional search/filter
GET /api/schools/{urn} Get detailed data for a specific school
GET /api/compare?urns=... Compare multiple schools
GET /api/rankings Get school rankings by metric
GET /api/filters Get available filter options
GET /api/metrics Get available performance metrics

Example API Usage

# Search for schools
curl "http://localhost:8000/api/schools?search=academy"

# Get school details
curl "http://localhost:8000/api/schools/100001"

# Compare schools
curl "http://localhost:8000/api/compare?urns=100001,100002,100003"

# Get rankings
curl "http://localhost:8000/api/rankings?metric=rwm_expected_pct&year=2024"

Data Format

If using your own CSV data, ensure it includes these columns (or similar):

Column Type Description
URN Integer Unique Reference Number
SCHNAME String School name
LA String Local Authority (must be Wandsworth or Merton)
READPROG Float Reading progress score
WRITPROG Float Writing progress score
MATPROG Float Maths progress score
PTRWM_EXP Float % meeting expected standard in reading, writing & maths
PTREAD_EXP Float % meeting expected standard in reading
PTWRIT_EXP Float % meeting expected standard in writing
PTMAT_EXP Float % meeting expected standard in maths

The application normalizes column names automatically and filters to only show Wandsworth and Merton schools.

Technology Stack

  • Backend: FastAPI (Python) - High-performance async API framework
  • Frontend: Vanilla JavaScript with Chart.js
  • Styling: Custom CSS with CSS variables for theming
  • Data: Pandas for CSV processing

Design Philosophy

The UI features a warm, editorial design inspired by quality publications:

  • Typography: DM Sans for body text, Playfair Display for headings
  • Color Palette: Warm cream background with coral and teal accents
  • Interactions: Smooth animations and hover effects
  • Charts: Clean, readable data visualizations

Development

# Run with auto-reload
python -m uvicorn backend.app:app --reload --port 8000

# Or run directly
python backend/app.py

Coverage

This application is specifically designed for:

  • School Phase: Primary schools only (Key Stage 2)
  • Geographic Area: Wandsworth and Merton (London boroughs)
  • Time Period: Last 5 years of data (2020-2024)

Note: 2021 data shows as unavailable because SATs were cancelled due to COVID-19.

Data Source

Data is sourced from the UK Government's Compare School Performance service, which provides official school performance data for England.

Important: When using real data, please comply with the terms of use and data protection regulations.

Scheduled Jobs

Geocoding Schools (Cron Job)

School postcodes are geocoded by a scheduled job, not on-demand. This improves performance and reduces API calls.

Setup the cron job (runs weekly on Sunday at 2am):

# Edit crontab
crontab -e

# Add this line (adjust paths as needed):
0 2 * * 0 cd /path/to/school_compare && /path/to/venv/bin/python scripts/geocode_schools.py >> /var/log/geocode_schools.log 2>&1

Manual run:

# Geocode only schools missing coordinates
python scripts/geocode_schools.py

# Force re-geocode all schools
python scripts/geocode_schools.py --force

License

MIT License - feel free to use this project for educational purposes.


Built with ❤️ for Wandsworth & Merton families

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