Common Core & COVID Learning Loss

The map above is the entire Common Core Mathematics curriculum — every standard from kindergarten through high school — broken down into 773 atomic learning outcomes and linked by 851 prerequisite relationships.

Zoom in to see how a single 6th-grade standard depends on nine standards stretching back to 2nd grade. Pan to follow a chain forward and watch how disrupting any standard cascades into later grades. Click a node to see exactly which downstream standards rely on it.

Standards in red were directly disrupted by spring 2020 COVID school closures. Standards in yellow are downstream of disrupted content — kids will encounter them years later, with the upstream gap still there.

You’re looking at what a flat list of standards can never show: structure, dependency, and downstream risk.

A single missed lesson in 6th grade compromises content students will encounter at age 16. And 6.NS.8 wasn’t unusual — it was one of 27 directly disrupted standards in that grade alone. When the full cascade is traced, 27 directly disrupted standards turn into 37 downstream-impacted standards reaching into high school.

If you teach 9th grade and you’re wondering why your students are struggling with coordinate geometry — this is part of why.

The point isn’t that COVID is over. The point is that this kind of cascade analysis is always relevant. Every curriculum has fragile chains. Every disruption — a teacher quitting mid-year, a snowstorm closing schools for two weeks, a transfer student missing a unit — sends ripples through standards a list can’t show you.

Common Core Mathematics is published as a list. 331 standards across 10 grade bands. Open the official document and you see paragraphs, numbered codes (4.NBT.1, 7.G.6, G-GPE.3), and grade groupings.

The list format hides the most important thing about the curriculum: how it connects.

Standards aren’t independent. Multiplying within 100 is a prerequisite for almost everything that follows. Place value holds up half the curriculum after 4th grade. Knowing that nothing in the list tells you so means three things go missing:

• You can’t see which standards are load-bearing. Disrupt teaching of one critical standard and the damage radius might span six grade levels — but you’d have no way to know which.
• You can’t trace cascading effects. When a 6th-grade lesson gets cut, what does that mean for 7th, 8th, and high school? In a list, this requires hours of expert review.
• You can’t reuse the analysis. Every new question — a new grade, a new state, a new disruption — starts from scratch.

A network map fixes all three. The relationships become first-class objects. The downstream impact becomes computable. The analysis becomes repeatable.

This map is what happens when you stop treating curriculum as a document and start treating it as data.

The model is a directed acyclic graph — prerequisites flow in one direction, and every standard can be ranked by where it sits in the learning chain. Each node carries its grade, domain, and original Common Core code, so analyses translate directly back to classroom decisions.

Once built, the map is reusable. Change the input scenario — a different state, a different grade affected, a different timeline — and the analysis re-runs in seconds. No re-reading the standards. No manual prerequisite tracing. The dependencies live in the data.

This map is built on a methodology — chunk standards into atomic outcomes, draw prerequisite relationships, make the graph queryable — that works for any structured curriculum framework.

Outcomap is the tool that lets you do it without writing code, hiring a research team, or maintaining a graph database.

What you can map:

• Accreditation frameworks — ABET, HLC, SACSCOC, WASC, QAA, NZQA, and others. Show how courses align to standards and where coverage gaps live. See the ABET Electrical Engineering example or the NZQA accreditation template.
• Higher education programs — degree programs, course sequences, prerequisite chains. See the MIT undergraduate curriculum for an example at scale.
• Self-paced learning pathways — concept maps, knowledge dependencies, modular courses. See the machine learning curriculum example.
• K-12 curricula — state standards frameworks, scope and sequence, vertical alignment across grades.

How Outcomap works:

1. Upload your standards document, syllabus, or program spec. AI extracts entities and relationships.
2. Refine the map in the visual editor. Add prerequisite chains, group nodes, draw cross-curricular connections.
3. Publish, share, embed, or export. Live interactive maps that anyone can explore — no account required to view.