When looking for a home in San Antonio, it's natural to start by checking school ratings on sites like Zillow or Redfin.

Especially for families with children, it's common to ask, "What's the school rating here?" before considering the size of the house.

However, you might find some discrepancies when looking at school ratings.

For example, one of the major school districts in San Antonio, Northside ISD, received a C grade in the 2025 Texas Education Agency (TEA) accountability rating.

Yet, Niche rates the same district as a B+.

Which one is correct?

Neither can be deemed wrong; the evaluation methods are simply different.

The GreatSchools ratings commonly seen on Zillow or Redfin are scored from 1 to 10.

They consider not only test scores but also how much students have grown. For high schools, data related to college readiness is also factored in.

In contrast, Niche incorporates various elements, including grades, reviews from students and parents, teacher quality, and school life.

This means it reflects the satisfaction levels of families currently attending the school.

The Texas Education Agency's evaluation method is also different. It assesses student achievement and academic growth based on state-defined criteria, including how well schools are closing performance gaps.

Ultimately, the score can vary depending on the criteria used to evaluate the same school.

Looking at schools in the Stone Oak area makes these differences easier to understand.

There are schools like Stone Oak Elementary and Indian Springs Elementary that receive high ratings on GreatSchools.

Longs Creek Elementary is also known for its relatively high scores.

However, deciding on a home based solely on the number 10 can be a bit risky.

Factors such as the school environment, the level of homework or academic competition, and parent satisfaction with teachers are difficult to gauge from test scores alone.

Conversely, judging a school as good or bad based on just a few online reviews is also problematic. If there are only ten reviews, it's hard to say those ten people represent the entire school.

For those moving to San Antonio from Korea, this can be even more confusing.

In Korea, the term 'good school district' is often used simplistically, but in the U.S., there can be significant differences between schools within the same district.

Therefore, I believe it's best to look at multiple school ratings when viewing homes.

Check the GreatSchools score, read actual reviews on Niche, and verify the TEA rating.

Finally, the most important step is to take the address of the home you like and enter it directly on the official district website to confirm the assigned school.

Even if a house looks like it's next door, the school may differ due to district boundaries.