📚 How to Compare England's Schools and Academies Using Official Data | 如何用官方数据比较英格兰的中小学与学院
Parents, students and researchers in England are unusually well served: the Department for Education (DfE) and Ofsted publish detailed, free, school-level data on every state-funded school, whether it is a local authority maintained school or an academy. The problem is not a shortage of evidence but a shortage of method. This guide explains which official sources to use, which indicators genuinely measure what they claim to measure, and how to combine them into a comparison that is fair to the school and honest with yourself.
英格兰的家长、学生与研究者其实相当幸运：英国教育部（DfE）与 Ofsted 会为每一所公立学校（无论是地方教育局维持的公立学校，还是学院 academy）公布详细且免费的数据。问题不在于证据太少，而在于方法不足。本文将说明应使用哪些官方数据源、哪些指标真正衡量了它声称衡量的东西，以及如何把它们组合成一份既对学校公平、也对自己诚实的比较结论。
1. Schools and Academies: What Actually Differs | 公立学校与学院：真正的差别在哪里
Both maintained schools and academies are state-funded and free to attend, and both are inspected by Ofsted and included in the same DfE performance tables. The legal difference lies in funding route, governance and employer status, not in the curriculum pupils follow or the qualifications they sit.
地方教育局维持的公立学校与学院都由政府资助、免费就读，也都接受 Ofsted 督导并出现在同一套 DfE 成绩表中。真正的法律差别在于拨款渠道、治理结构与雇主身份，而不在于学生所学课程或所考资格证书。
An academy is funded directly by the DfE through a funding agreement with an academy trust. It is independent of the local authority, employs its own staff, may set its own pay and conditions rather than following national pay scales, and is its own admissions authority, although it must still comply with the School Admissions Code. Maintained schools receive funding through the local authority and follow national pay and conditions.
学院由 DfE 通过与其所属学院信托签订的资助协议直接拨款。它独立于地方教育局，自行雇用员工，可以不遵循全国统一薪酬标准而自定薪酬与待遇，并且本身就是招生主管机构（但仍须遵守《学校招生准则》）。维持学校则通过地方教育局获得拨款，并遵循全国统一薪酬与待遇。
Academies come in several flavours: converter academies (usually previously good or outstanding schools that converted), sponsor-led academies (often replacing underperforming schools), free schools, university technical colleges and studio schools. Most academies sit inside a multi-academy trust (MAT), and the trust, not the individual school, holds the funding agreement. This matters for comparison because two schools with identical names and similar intakes can operate under completely different governance and financial models.
学院还有多种类型：转换型学院（通常由原先评价良好或杰出的学校转换而来）、赞助型学院（常取代表现不佳的学校）、自由学校、大学技术学院与工作室学校。多数学院隶属于多学院信托（MAT），而资助协议由信托而非单所学校持有。这对比较很关键：两所名称相似、生源相近的学校，可能在治理与财务模式上完全不同。
2. Start with the Register: Get Information about Schools | 从学校登记册开始：GIAS
Before you compare any outcome data, confirm that you are comparing the right institutions. Get Information about Schools (GIAS) is the DfE's official register of all establishments in England and is the single most reliable starting point.
在比较任何结果数据之前，先确认你比较的是正确的机构。Get Information about Schools（GIAS）是 DfE 官方的英格兰全部教育机构登记册，也是最可靠的起点。
Each school has a Unique Reference Number (URN) and a separate DfE establishment number made of the local authority code and the establishment code. Always match schools by URN. Names change, schools merge, and a school that converted to academy status keeps its URN but changes its establishment type and often its trust.
每所学校都有一个唯一参考编号（URN），以及由地方教育局代码与学校代码组成的 DfE 编号。匹配学校时务必使用 URN。学校可能改名、合并；转为学院后 URN 通常不变，但机构类型会改变，所属信托往往也会改变。
GIAS also gives you practical context that performance tables omit: phase and age range, gender and religious character, admissions policy, published admission number (PAN), school capacity, SEN provision (including special units and resourced provision), the trust it belongs to, and links to its most recent Ofsted report. Capacity and PAN together tell you whether a school is heavily oversubscribed, which is itself a signal about local reputation.
GIAS 还能提供成绩表通常没有的实用背景：学段与年龄范围、性别与宗教属性、招生政策、公布招生人数（PAN）、学校容量、特殊教育需求配置（含特殊班级与资源型配置）、所属信托，以及最新 Ofsted 报告的链接。容量与 PAN 结合可以看出学校是否严重超额报名，这本身就是本地声誉的一个信号。
A common mistake is to compare a school's latest data with a report or table published before a structural change. Always check the "establishment type" history and the date of conversion before drawing conclusions about trends.
常见错误是把学校最新数据与结构变更之前发布的报告或成绩表相比较。在判断趋势之前，务必查看"机构类型"的变更历史与转换日期。
3. The Performance Tables and Explore Education Statistics | 成绩表与教育统计数据平台
Two DfE platforms do most of the heavy lifting. "Compare school and college performance in England" presents headline measures in a readable interface, while Explore Education Statistics publishes the full underlying datasets, methodology notes and quality reports.
DfE 有两个平台承担了大部分工作。"Compare school and college performance in England" 以易读界面呈现主要指标，而 Explore Education Statistics 则发布完整的底层数据集、方法说明与质量报告。
Use the comparison site to shortlist schools quickly, but download the underlying data before making a judgement. The headline figure is usually a rounded percentage; the dataset tells you the cohort size, the confidence interval and whether the value was suppressed.
用比较网站快速筛选学校，但在下判断前请下载底层数据。首页显示的数字通常是四舍五入的百分比；数据集才会告诉你学生人数、置信区间，以及该数值是否被隐藏。
| Source | What it gives you | Best used for |
| GIAS | URN, type, phase, capacity, PAN, trust, SEN provision | Identifying and screening schools |
| Compare school and college performance | KS2, KS4, KS5 and destination measures; similar schools | Headline outcomes and quick comparison |
| Explore Education Statistics | Underlying datasets, methodology, confidence intervals | Rigorous, reproducible analysis |
| Ofsted reports and report cards | Inspection judgements, safeguarding, curriculum quality | Quality of provision and leadership |
| Schools financial benchmarking | Income and expenditure per pupil, staffing ratios | Efficiency and sustainability |
Schools themselves have access to Analyse School Performance (ASP), and inspectors use an Inspection Data Summary Report (IDSR). Neither is public, but you can ask a school to explain the figures in its IDSR, and a good school will be willing to do so.
学校自身可以使用 Analyse School Performance（ASP），督学则使用 Inspection Data Summary Report（IDSR）。这两者都不公开，但你可以请学校解释其 IDSR 中的数字，一所自信的学校通常愿意这么做。
4. Ofsted: Report Cards and Inspection History | Ofsted：报告卡与督导历史
Ofsted is the quality inspectorate, not a data producer, and its judgements answer a different question from performance tables. Outcome data tells you what results pupils achieve; inspection
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