历史评分与现行方法｜2026年11月4日
本文保留2023年视频对不同评分网站的比较。北木高中的7分、10分、A+等是原视频当时引用的数字，本次未独立复原当年的页面，不作为当前评分或排名。高起点不等于必然低成长；买房选校仍须核对具体学校、年级、拟入学学年和学位。
The 2023 ratings cited in the video are historical references, not verified current scores. This review has not independently reconstructed those archived ratings. High starting achievement does not necessarily mean low growth. Confirm school, grade, intended year and capacity with the district.
专业来源：GreatSchools高起点与成长评分 · GreatSchools现行方法 · IUSD分配及学位
继续阅读：如何核查学校评分与入学 · 历史市场观察与学校边界
温馨提示：本视频发布于 2023 年 9 月 3 日，距今已超过一年。文中的市场数据、价格、利率与政策均以发布时为准，当前情况可能已有变化，欢迎联系我们获取最新信息。
美国房产小讲堂 · 学区
看到某个网站上尔湾学校的评分从 9 分降到 7 分，先别急着下结论。评分怎么来的，比分数本身更重要。
核心要点
- Zillow、Redfin 等网站显示的学校评分，通常来自 GreatSchools 等第三方机构，并非政府官方评分。
- 不同机构的方法和年份不同。GreatSchools于2025年更新方法，不能把原视频时代的Equity权重继续当作现行公式。
- 在视频录制时，北木高中在一个网站上总分降至 7 分，但考试成绩仍为满分 10 分；在另一个网站上依然是 A+，并位列加州前列公立高中。
- 高考试成绩不必然导致低进步评分。GreatSchools说明，高起点学生也可能获得高成长评分；应看与相近起点学生的比较及数据限制。
- 选学校时，除了评分，更应该关注孩子在学校的同伴、社团和老师的关注度。
1这些评分从哪里来
很多人在 Zillow、Redfin 上看房时，会看到每套房对应学校的评分。这些评分大多来自 GreatSchools.org 等第三方机构，房地产网站抓取后展示出来。时间久了，大家就把它当成了权威、官方的评分。
实际上，这不是尔湾市政府、学区或加州教育部门的官方评分，每个机构都有自己的评分规则和权重。
2为什么评分会下降
以视频录制时的北木高中（Northwood High School）为例：在 GreatSchools 上，它的“学术进步”一项只有约 3 分，但考试成绩是满分 10 分，综合下来总分约 7 分。
原视频用“进步空间”解释评分，是简化的个人理解，不能作为现行方法结论。GreatSchools的Student Progress采用州成长数据，缺失可用数据时可能使用Academic Progress代理指标；高起点学校也能有高进步评分。总分变化须核对方法、数据年份与学校实际表现，不能直接断定只是算法变化或教学变差。
进步空间小，不代表学校不好。
3换一个网站，结论完全不同
在另一个常用的评分网站 Niche.com 上，同一时期的北木高中依然是 A+，并被列为加州排名前列的公立高中之一。Niche 的评分涵盖学术、师资、多元化、升学准备、行政管理以及课外活动等多个维度，其中大部分为 A 级。
同一所学校，在不同机构、不同规则下得出的结论截然不同。所以评分可以参考，但不能当作决定性的依据。（评分会随时间更新，请以最新数据为准。）
4选学校，看什么更实在
与其只盯着排名和分数，不如多关注这些实际的问题：孩子在学校里能不能找到合适的同伴和小群体？有没有感兴趣的社团和活动？老师对学生的关注度如何？学校毕业生的去向怎样？
原视频结合客户家庭的经历，强调不要因一个总分放弃对学校的深入了解。这属于经验观察，不是对所有学校现状或每个孩子结果的保证；应结合具体课程、支持服务和对应年份数据。
常见问题
Q：Zillow 上的学校评分是官方的吗？
不是。通常来自 GreatSchools 等第三方机构，并非政府或学区的官方评分。
Q：为什么同一所学校在不同网站评分差别很大？
各机构的方法、权重、覆盖数据和更新时间不同，分数不能直接互换。GreatSchools现行方法已不同于2023年视频讨论的旧机制。
Q：尔湾学区还好吗？
不能用2023年的评级代表当前所有学校。请查具体学校、年级、数据年份、课程与支持服务，并按地址和拟入学学年向学区确认分配及学位。
关于作者
Fei Li 李斐，FEI LI ESTATES 创始人，加州持牌房地产经纪人（DRE #02075610）。团队立足南加州橙县（Orange County），服务尔湾（Irvine）、新港滩（Newport Beach）、达纳角（Dana Point）、圣胡安卡皮斯特拉诺（San Juan Capistrano）及周边地区，自 2016 年起持续制作中英双语房产视频。
电话：(949) 353-9999 · 微信：feiliestates
本文仅供一般信息参考，不构成法律、税务、贷款或投资建议。市场数据与政策以发布时为准，可能已有变化；具体情况请咨询持牌专业人士并自行核实。
Irvine School Ratings Dropped — Did the Schools Get Worse?
Please note: This video was published on September 3, 2023. It is more than a year old. Market data, prices, rates, and policies reflect that date and may have changed. Contact us for the latest information.
US Real Estate 101 · Schools
If you see an Irvine school's rating fall from 9 to 7 on a website, hold off on conclusions. How the score is calculated matters more than the number itself.
Key Takeaways
- School ratings on Zillow and Redfin usually come from third-party organizations like GreatSchools, not official government ratings.
- Methods and reporting years differ. GreatSchools updated its methodology in 2025; the video’s earlier Equity-based formula is not current.
- At recording, Northwood High's overall score fell to 7 on one site while its test scores remained 10; on another site it was still A+ and ranked among California's top public high schools.
- High test scores do not inherently imply low growth. GreatSchools says high-starting students can earn high growth scores; review peer comparisons and data limitations.
- Beyond ratings, consider your child's peers, clubs, and teacher attention.
1Where These Ratings Come From
When browsing homes on Zillow or Redfin, you often see ratings for assigned schools. Most come from third-party organizations such as GreatSchools.org, displayed by real estate sites. Over time, many people came to treat them as official.
In fact, they are not ratings from the City of Irvine, the school district, or the state; each organization uses its own rules and weights.
2Why a Rating Might Drop
Take Northwood High School at the time of recording: on GreatSchools, its "academic progress" score was about 3, while its test scores were a perfect 10, for an overall rating of about 7.
The video’s limited-room explanation is a simplified personal interpretation. Student Progress uses state growth data; Academic Progress may serve as a proxy when usable growth data is absent. High-starting schools can earn high progress ratings. Check methods, data years and results rather than assuming either a formula-only change or weaker teaching.
Less room to improve does not mean a school is worse.
3A Different Site, a Different Conclusion
On Niche.com, another widely used site, Northwood High was still rated A+ in the same period and listed among California's top public high schools. Niche considers academics, teachers, diversity, college prep, administration, and clubs and activities, with most categories in the A range.
The same school can look very different under different rules. Ratings are a reference, not a verdict. (Ratings update over time; check current data.)
4What Matters More When Choosing a School
Rather than fixating on rankings, ask practical questions: Will your child find the right peers? Are there clubs and activities they care about? How much attention do teachers give? Where do graduates go?
The video draws on client-family experiences to encourage looking beyond one score. Those observations do not guarantee every school’s current quality or every child’s outcome; examine specific programs, support and dated data.
FAQ
Q：Are Zillow school ratings official?
No. They usually come from third-party organizations like GreatSchools, not the government or district.
Q：Why do ratings for the same school vary so much between sites?
Organizations use different methods, weights, data and update schedules. Scores are not interchangeable, and GreatSchools has changed its method since this 2023 video.
Q：Are Irvine schools still strong?
A 2023 rating is not current evidence for every school. Check the particular school, grade, data year, programs and support, and confirm address-based assignment and capacity for the intended year.
About the Author
Fei Li is the founder of FEI LI ESTATES and a California licensed real estate agent (DRE #02075610). Based in Orange County, Southern California, the team serves Irvine, Newport Beach, Dana Point, San Juan Capistrano, and surrounding areas. Fei has produced bilingual English/Chinese real estate videos since 2016.
Phone: (949) 353-9999 · WeChat: feiliestates
This article is for general information only and is not legal, tax, lending, or investment advice. Market data and policies reflect the time of publication and may have changed; please consult licensed professionals and verify independently.