Professional Judgement

Posts

• 3 min read

  Why 'Judgement-First' is the Key to Better School Improvement (And How to Do It)

  

  Daniel O'Brien

  Daniel is the creator of iAbacus and Director of Opeus, which he has led for nearly 30 years. He applied his deep technical expertise to design the intuitive and powerful self-evaluation software. He continues to lead its development.

  Daniel O'Brien

  Daniel O'Brien

  Daniel is the creator of iAbacus and Director of Opeus, which he has led for nearly 30 years. He applied his deep technical expertise to design the intuitive and powerful self-evaluation software. He continues to lead its development.

  Nov 4, 2025 • School Self-evaluation • School Improvement • School Leadership
• 4 min read

  Jeremy Spencer is Right: Ofsted's Toolkits are an Opportunity, Not Just an Obligation. Here's How to Seize It.

  

  Daniel O'Brien

  Daniel is the creator of iAbacus and Director of Opeus, which he has led for nearly 30 years. He applied his deep technical expertise to design the intuitive and powerful self-evaluation software. He continues to lead its development.

  Daniel O'Brien

  Daniel O'Brien

  Daniel is the creator of iAbacus and Director of Opeus, which he has led for nearly 30 years. He applied his deep technical expertise to design the intuitive and powerful self-evaluation software. He continues to lead its development.

  Oct 29, 2025 • Ofsted • School Self-evaluation • School Improvement
• 3 min read

  A Headteacher's Top Tip from the Ofsted Pilot—and Why It's at the Heart of What We do

  

  Daniel O'Brien

  Daniel is the creator of iAbacus and Director of Opeus, which he has led for nearly 30 years. He applied his deep technical expertise to design the intuitive and powerful self-evaluation software. He continues to lead its development.

  Daniel O'Brien

  Daniel O'Brien

  Daniel is the creator of iAbacus and Director of Opeus, which he has led for nearly 30 years. He applied his deep technical expertise to design the intuitive and powerful self-evaluation software. He continues to lead its development.

  Oct 21, 2025 • Ofsted • Self-evaluation • School Leadership
• 3 min read

  Reclaiming Professional Insight: The iAbacus team reflect on a major benefit of iAbacus for School

  

  Daniel O'Brien

  Daniel is the creator of iAbacus and Director of Opeus, which he has led for nearly 30 years. He applied his deep technical expertise to design the intuitive and powerful self-evaluation software. He continues to lead its development.

  Daniel O'Brien

  Daniel O'Brien

  Daniel is the creator of iAbacus and Director of Opeus, which he has led for nearly 30 years. He applied his deep technical expertise to design the intuitive and powerful self-evaluation software. He continues to lead its development.

  Sep 26, 2025 • Iabacus • School Leadership • Self-evaluation
• 3 min read

  Judgement before evidence. How come?

  

  Daniel O'Brien

  Daniel is the creator of iAbacus and Director of Opeus, which he has led for nearly 30 years. He applied his deep technical expertise to design the intuitive and powerful self-evaluation software. He continues to lead its development.

  Daniel O'Brien

  Daniel O'Brien

  Daniel is the creator of iAbacus and Director of Opeus, which he has led for nearly 30 years. He applied his deep technical expertise to design the intuitive and powerful self-evaluation software. He continues to lead its development.

  Aug 29, 2025 • Iabacus • Professional Judgement • Evidence-based Practice