How to refresh your school curriculum without rebuilding it
Every few years, every department has the same conversation. The curriculum has drifted. The Year 8 unit on the British Empire no longer connects to the Year 9 unit on the world wars in the way it used to. Slides have been quietly forked into seven versions across the team. Knowledge organisers have been written, lost, rewritten, and quietly abandoned.
The instinct, often pushed from above, is to rebuild from scratch. New vision, new units, new resources, fresh start. That instinct is occasionally right, and usually expensive. A full curriculum rebuild can take a department three to five years to mature, eats most of the available CPD time, and risks losing the parts of the old curriculum that worked well precisely because they were unfashionable.
In most cases, what a curriculum actually needs is a refresh, not a rebuild. This guide is for heads of department and curriculum leads weighing that choice, and looking for a practical method that respects the work already done.
Of curriculum content
~70 to 80%
Most curriculum refreshes find that the majority of existing content stands up well on inspection. The intervention worth doing usually targets the 20 to 30 per cent that is genuinely tired, contradictory, or no longer fit for purpose. This is a rough estimate from our own work with school departments rather than a peer-reviewed figure, and the ratio will vary by subject and how long it has been since the last review.
Rebuild or refresh? A first decision
Before any work happens, name the choice you are actually making. A full rebuild and a refresh are different projects with different timelines, costs, and risks. One of the most common failures in this space is starting a rebuild while telling everyone it is a refresh, then discovering the scope two terms in.
A rebuild makes sense when the curriculum's underlying intent has shifted (you have moved exam board, changed specification, or made a deliberate disciplinary pivot), when the existing scheme of work was never well documented in the first place, or when the team has turned over so much that no one remembers the design rationale. A refresh makes sense when the spine still works, the team still believes in it, and the problems are local rather than structural.
The table below sets out the practical differences.
| Refresh | Rebuild | |
|---|---|---|
| Timescale | One academic year, often less | Three to five years to maturity |
| What changes | Specific units, resources, assessments, sequencing tweaks | Intent, big ideas, progression maps, units, assessment, resources |
| Risk profile | Low; you can revert any individual change | High; the team is teaching a new curriculum while still learning it |
| Typical workload spike | Moderate, spread across the year | Heavy and sustained, often two to three years |
| Best preceded by | An honest audit of what is currently working | A clear strategic decision and dedicated leadership time |
| Common failure mode | Stopping at the audit stage and never acting on it | Underestimating how long maturity takes; reverting halfway |
If you are not sure which you need, default to refresh first. A refresh that exposes structural problems can become a rebuild later, with stronger evidence behind it. Starting with a rebuild and discovering you actually needed a refresh is more painful and harder to reverse.
Start with a curriculum audit
A refresh needs an evidence base. Otherwise you end up changing the units that the loudest voices in the department dislike, which is not the same as the units that are actually weakest.
The audit does not need to be elaborate. A spreadsheet listing every unit across KS3 to KS5, with a small number of honest columns, will do the work. The point is to surface patterns no individual teacher can see from inside their own timetable: Which units are getting cut for time year after year, which units no one wants to teach, where assessment results are weaker, which units have not been touched in five years.
Mary Myatt's framing of fewer things in greater depth is useful here. Audits tend to find more units than the curriculum actually needs, and the most useful first move is often cutting two or three rather than tweaking ten.
What a useful audit captures
There are dozens of ways to run a curriculum audit. The version that tends to produce the most actionable output is short, honest, and asks the questions that matter rather than the ones that look impressive on paper.
What is each unit actually for?
Write one sentence per unit describing what students should know, understand, and be able to do by the end. If the team cannot agree on a sentence, the unit's purpose is contested and the refresh has its first job. If the sentence is suspiciously similar to a different unit's sentence, you may have duplication.
Where does each unit sit in the bigger picture?
For each unit, name the big idea it serves and the prior unit it builds on. Units that cannot easily be linked to a big idea or a prior unit are not necessarily wrong, but they are candidates for closer scrutiny.
What does the data say?
Pull the end-of-unit and end-of-year assessment data for the last three years. Look for patterns: Topics where students consistently underperform, topics where year-on-year variation is suspiciously large (usually a sign the assessment itself is inconsistent), topics where the data does not match teacher impressions.
What do teachers honestly think?
A short anonymous survey of the team, three questions: Which unit feels strongest, which unit feels weakest, what would you change if you could only change one thing. Anonymity matters; teachers will not name the unit the HoD wrote in an open meeting.
Where does the time actually go?
Compare the planned weeks per unit to the actual weeks. Most curricula overrun in autumn term and rush through summer term. The pattern of overruns is often more informative than the official sequence.
Triage the findings
Once the audit is complete, the temptation is to act on everything. Resist that, or a refresh becomes a rebuild in disguise.
Sort findings into three buckets: Keep, refresh, retire. Keep is for units that work and need no immediate action; resist the urge to redesign them just because everything else is moving. Refresh is for units with specific, fixable problems (an outdated text, a stale set of slides, a misaligned assessment). Retire is for units that no longer serve the curriculum.
Most departments find the keep pile is larger than expected, refresh is the bulk of the work, and retire is small but psychologically important. Cutting one unit signals that this is genuinely a refresh and not an exercise in adding more on top of what already exists.
If the refresh pile has more than ten items per year group, you are probably running a rebuild. Either be honest about that and rescope the project, or pick the three or four that matter most and park the rest for next year.
Make the changes in a sustainable order
The order in which you make changes matters as much as the changes themselves. A common mistake is to start with the most exciting unit rather than the most damaging gap; the refresh then runs out of energy before reaching the units that actually mattered.
A workable order is assessment first, then the highest-leverage unit refreshes, then the resource tidy-up. Assessment first because it sets the bar: If the end-of-year assessment is right, the units have something to aim at, and later changes can be evaluated against a stable yardstick. Resources last, because resource work expands to fill the time available and is the easiest piece to share once the substance is settled. Within each unit, change the spine before changing the slides: If the unit's intent, key questions, and end points are clear, the slides follow naturally.
Use existing high-quality resources
There is no prize for inventing every lesson yourself. Oak National Academy's curriculum maps and lesson sequences are free, well-sequenced, and built by experienced teachers; for many subjects they are a credible spine, or at minimum a benchmark against which to test your own choices.
National subject associations (the Geographical Association, the Historical Association, the Royal Society of Chemistry, NATE, NCETM for maths, NCCE for computing) all publish curriculum resources of varying depth. Awarding bodies offer schemes of work, past papers, and examiner reports that expose what students are actually getting wrong year after year. Platforms with structured video lessons and exam-style questions, including Cognito, can sit alongside your own teaching to reinforce core content without rewriting it. The strongest curricula tend to be built on a mix of the department's distinctive choices and well-tested external materials.
Build in time to evaluate
A refresh that is never evaluated cannot improve. Set up the evaluation at the start, not the end. The questions you will eventually want to answer are: Did the refreshed units improve assessment outcomes, did teacher confidence rise, and did the changes stick or quietly revert.
A light approach works well. Repeat the teacher survey at the end of the year with the same three questions. Pull the same assessment data for the refreshed units and compare against the previous two years, with appropriate caution about cohort differences. Hold one department meeting dedicated to what to keep, adjust, and leave alone. The aim is a written record of what was changed and what happened, so the next refresh has evidence rather than memory to work from.
The political and people layer
Curriculum refreshes are technical, but they happen in a school with a senior leadership team and competing priorities. Be explicit with senior leadership about what a refresh is and is not; if they are expecting a rebuild and you are running a refresh, the mismatch will surface a few weeks before an inspection. Protect the team's time by negotiating dedicated department meetings or a CPD strand. And write the rationale down: A short document that names the audit findings, triage decisions, and order of work anchors the team, answers inspection questions, and gives the next HoD a starting point.
The single best document to keep is a one-page summary of the refresh: What changed, why, and what the early evidence shows. Anyone who joins the department mid-year, including a new HoD, should be able to read that page and orient themselves quickly.
Common refresh failure modes
A handful of mistakes account for most of the refreshes that quietly fizzle. The audit becomes the project, with two terms spent producing a beautiful document and no energy left to act on it; set a hard six-week deadline and start changes before the audit is fully polished. Everyone changes their own unit in isolation, producing five separately-improved units that no longer align; fix this with a shared template and regular cross-unit check-ins. The scope creeps from refresh to rebuild; defer the good ideas that arrive mid-project to the next cycle. The team is exhausted by spring because the work was front-loaded; pace the changes across the year and treat summer term as consolidation. And finally, the refresh quietly reverts because old slides are still in the shared folder; archive (do not delete) the old resources and check mid-year that the changes are actually being used.
Curriculum refresh checklist
Use this as a planning aid for a refresh that runs across a single academic year. Adjust to the size of your department and the scope of the changes.
- Decide explicitly whether you are running a refresh or a rebuild, and tell the team and senior leadership which
- Run a short, honest audit using assessment data, teacher input, and unit-level evidence
- Triage findings into keep, refresh, and retire piles, with the keep pile expected to be largest
- Cut at least one unit; signal that this is a real refresh, not an addition
- Tackle assessment design before unit content, and unit content before slides
- Lean on Oak, awarding bodies, and subject associations rather than rewriting from scratch
- Set up a light evaluation plan at the start, not at the end
- Document the rationale in a one-page summary that survives staff turnover
- Pace the work across the year; treat summer term as consolidation, not crunch
- Plan the next refresh cycle into the cadence; this is not a one-time project
