Ysmael Villegas Middle (Data source)
Source data for Ysmael Villegas Middle
2015
| Step 1 | Step 2 | Step 3 | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Get Mean Scale Score from line numbers in this data file. | Subtract 'met min' Scale Score. from Mean Scale Score to get Distance From Standard | Multiply Distance From Standard by proportion of students in grade. | ||||||||||||
| Grade | Line number |
Mean Scale Score |
- | Scale Score: met min |
= | Distance from standard |
* | (Students tested in grade |
/ | Students) tested in school |
= | Weighted Distance From Standard |
||
| 6 | 1645574 | 2519 | - | 2552 | = | -33 | * | (442 | / | 1359) | = | -10.73289182 | ||
| 7 | 1645577 | 2531 | - | 2567 | = | -36 | * | (483 | / | 1359) | = | -12.79470197 | ||
| 8 | 1645578 | 2526 | - | 2586 | = | -60 | * | (434 | / | 1359) | = | -19.1611479 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Ysmael Villegas Middle | -43 | ||||||||||||
2016
| Step 1 | Step 2 | Step 3 | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Get Mean Scale Score from line numbers in this data file. | Subtract 'met min' Scale Score. from Mean Scale Score to get Distance From Standard | Multiply Distance From Standard by proportion of students in grade. | ||||||||||||
| Grade | Line number |
Mean Scale Score |
- | Scale Score: met min |
= | Distance from standard |
* | (Students tested in grade |
/ | Students) tested in school |
= | Weighted Distance From Standard |
||
| 6 | 51438 | 2521 | - | 2552 | = | -31 | * | (434 | / | 1366) | = | -9.84919473 | ||
| 7 | 51441 | 2539 | - | 2567 | = | -28 | * | (453 | / | 1366) | = | -9.28550512 | ||
| 8 | 51442 | 2567 | - | 2586 | = | -19 | * | (479 | / | 1366) | = | -6.66251828 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Ysmael Villegas Middle | -26 | ||||||||||||
2017
| Step 1 | Step 2 | Step 3 | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Get Mean Scale Score from line numbers in this data file. | Subtract 'met min' Scale Score. from Mean Scale Score to get Distance From Standard | Multiply Distance From Standard by proportion of students in grade. | ||||||||||||
| Grade | Line number |
Mean Scale Score |
- | Scale Score: met min |
= | Distance from standard |
* | (Students tested in grade |
/ | Students) tested in school |
= | Weighted Distance From Standard |
||
| 6 | 52922 | 2513 | - | 2552 | = | -39 | * | (468 | / | 1346) | = | -13.56017828 | ||
| 7 | 52924 | 2534 | - | 2567 | = | -33 | * | (428 | / | 1346) | = | -10.4933135 | ||
| 8 | 52926 | 2564 | - | 2586 | = | -22 | * | (450 | / | 1346) | = | -7.35512628 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Ysmael Villegas Middle | -31 | ||||||||||||
2018
| Step 1 | Step 2 | Step 3 | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Get Mean Scale Score from line numbers in this data file. | Subtract 'met min' Scale Score. from Mean Scale Score to get Distance From Standard | Multiply Distance From Standard by proportion of students in grade. | ||||||||||||
| Grade | Line number |
Mean Scale Score |
- | Scale Score: met min |
= | Distance from standard |
* | (Students tested in grade |
/ | Students) tested in school |
= | Weighted Distance From Standard |
||
| 6 | 53013 | 2527 | - | 2552 | = | -25 | * | (483 | / | 1385) | = | -8.71841155 | ||
| 7 | 53014 | 2517 | - | 2567 | = | -50 | * | (492 | / | 1385) | = | -17.76173285 | ||
| 8 | 53017 | 2552 | - | 2586 | = | -34 | * | (410 | / | 1385) | = | -10.06498192 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Ysmael Villegas Middle | -37 | ||||||||||||
2019
| Step 1 | Step 2 | Step 3 | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Get Mean Scale Score from line numbers in this data file. | Subtract 'met min' Scale Score. from Mean Scale Score to get Distance From Standard | Multiply Distance From Standard by proportion of students in grade. | ||||||||||||
| Grade | Line number |
Mean Scale Score |
- | Scale Score: met min |
= | Distance from standard |
* | (Students tested in grade |
/ | Students) tested in school |
= | Weighted Distance From Standard |
||
| 6 | 53243 | 2513 | - | 2552 | = | -39 | * | (418 | / | 1393) | = | -11.70279969 | ||
| 7 | 53244 | 2529 | - | 2567 | = | -38 | * | (506 | / | 1393) | = | -13.80330221 | ||
| 8 | 53245 | 2530 | - | 2586 | = | -56 | * | (469 | / | 1393) | = | -18.85427135 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Ysmael Villegas Middle | -44 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -43 | -26 | -31 | -37 | -44 | -181.0 | -36.2 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -15.2
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -57.2
For the lines, you have the data necessary to plot the chart.
Very last step
The percent of students getting a Free or Reduced Price Meal comes from the following sources:
| 2015 | 2016 | 2017 | 2018 | 2019 | |
|---|---|---|---|---|---|
| Percent | 67% | 62% | 63% | 65% | 63% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Alvord Unified school district | County of Riverside
THIS chart shows what the school system "wants"
PLUS a "special" or "outside" cause of variation: wealth/poverty.
NOT what teachers want.
NOT what principals want.
NOT what parents want.
Ysmael Villegas Middle math proficiency
Zero+ meets standard.
50% less $meal
46% less $meal
46% less $meal
51% less $meal
51% less $meal
• Any result above zero is proficient; below is not proficient. • There is a 99% chance that results will remain the same in coming years, which is to say, between the Upper and Lower Control Limits (the gray lines). • The houses with the % of students receiving a Free or Reduced Price Meal is a measure of wealth/poverty.
Intermediate/Middle Schools (Public) schools in Alvord Unified (4)
| Arizona Middle | Loma Vista Middle | Wells Middle |
| Ysmael Villegas Middle |