Greenfield Middle (Data source)
Source data for Greenfield 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 |
||
| 5 | 505444 | 0 | - | 2528 | = | * | (0 | / | 904) | = | ||||
| 6 | 505447 | 2463 | - | 2552 | = | -89 | * | (318 | / | 904) | = | -31.30752208 | ||
| 7 | 505448 | 2472 | - | 2567 | = | -95 | * | (286 | / | 904) | = | -30.0553097 | ||
| 8 | 505451 | 2497 | - | 2586 | = | -89 | * | (300 | / | 904) | = | -29.53539822 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Greenfield Middle | -91 | ||||||||||||
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 | 16042 | 2482 | - | 2552 | = | -70 | * | (314 | / | 896) | = | -24.53124996 | ||
| 7 | 16043 | 2490 | - | 2567 | = | -77 | * | (301 | / | 896) | = | -25.8671875 | ||
| 8 | 16046 | 2519 | - | 2586 | = | -67 | * | (281 | / | 896) | = | -21.01227676 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Greenfield Middle | -71 | ||||||||||||
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 | 16362 | 2476 | - | 2552 | = | -76 | * | (291 | / | 858) | = | -25.77622376 | ||
| 7 | 16365 | 2484 | - | 2567 | = | -83 | * | (284 | / | 858) | = | -27.47319347 | ||
| 8 | 16366 | 2526 | - | 2586 | = | -60 | * | (283 | / | 858) | = | -19.79020974 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Greenfield Middle | -73 | ||||||||||||
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 | 16376 | 2490 | - | 2552 | = | -62 | * | (312 | / | 894) | = | -21.63758386 | ||
| 7 | 16378 | 2502 | - | 2567 | = | -65 | * | (305 | / | 894) | = | -22.17561515 | ||
| 8 | 16380 | 2530 | - | 2586 | = | -56 | * | (277 | / | 894) | = | -17.3512304 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Greenfield Middle | -61 | ||||||||||||
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 | 16507 | 2495 | - | 2552 | = | -57 | * | (299 | / | 938) | = | -18.16950958 | ||
| 7 | 16508 | 2478 | - | 2567 | = | -89 | * | (321 | / | 938) | = | -30.45735608 | ||
| 8 | 16509 | 2503 | - | 2586 | = | -83 | * | (318 | / | 938) | = | -28.13859269 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Greenfield Middle | -77 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -91 | -71 | -73 | -61 | -77 | -373.0 | -74.6 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -44.6
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -104.6
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 | 82% | 92% | 89% | 94% | 93% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Greenfield Union school district | County of Kern
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.
Greenfield Middle math proficiency
Zero+ meets standard.
72% less $meal
84% less $meal
81% less $meal
87% less $meal
86% 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 Greenfield Union (3)
| Greenfield Middle | Leon H. Ollivier Middle | McKee Middle |