Plantation Elementary (Data source)
Source data for Plantation Elementary
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 |
||
| 3 | 505807 | 2413 | - | 2436 | = | -23 | * | (118 | / | 342) | = | -7.9356725 | ||
| 4 | 505808 | 2443 | - | 2485 | = | -42 | * | (105 | / | 342) | = | -12.89473681 | ||
| 5 | 505811 | 2453 | - | 2528 | = | -75 | * | (119 | / | 342) | = | -26.0964912 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Plantation Elementary | -47 | ||||||||||||
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 |
||
| 3 | 16049 | 2421 | - | 2436 | = | -15 | * | (86 | / | 307) | = | -4.2019544 | ||
| 4 | 16051 | 2457 | - | 2485 | = | -28 | * | (109 | / | 307) | = | -9.94136805 | ||
| 5 | 16054 | 2454 | - | 2528 | = | -74 | * | (112 | / | 307) | = | -26.9967426 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Plantation Elementary | -41 | ||||||||||||
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 |
||
| 3 | 16370 | 2418 | - | 2436 | = | -18 | * | (115 | / | 318) | = | -6.50943396 | ||
| 4 | 16373 | 2454 | - | 2485 | = | -31 | * | (94 | / | 318) | = | -9.163522 | ||
| 5 | 16375 | 2466 | - | 2528 | = | -62 | * | (109 | / | 318) | = | -21.25157229 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Plantation Elementary | -37 | ||||||||||||
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 |
||
| 3 | 16383 | 2416 | - | 2436 | = | -20 | * | (116 | / | 317) | = | -7.31861198 | ||
| 4 | 16385 | 2449 | - | 2485 | = | -36 | * | (108 | / | 317) | = | -12.26498422 | ||
| 5 | 16387 | 2465 | - | 2528 | = | -63 | * | (93 | / | 317) | = | -18.48264982 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Plantation Elementary | -38 | ||||||||||||
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 |
||
| 3 | 16515 | 2409 | - | 2436 | = | -27 | * | (100 | / | 331) | = | -8.15709968 | ||
| 4 | 16516 | 2446 | - | 2485 | = | -39 | * | (120 | / | 331) | = | -14.1389728 | ||
| 5 | 16517 | 2450 | - | 2528 | = | -78 | * | (111 | / | 331) | = | -26.1570997 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Plantation Elementary | -48 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -47 | -41 | -37 | -38 | -48 | -211.0 | -42.2 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -27.2
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 | 90% | 97% | 93% | 96% | 95% |
| 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.
Plantation Elementary math proficiency
Zero+ meets standard.
82% less $meal
89% less $meal
86% less $meal
89% less $meal
90% 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.
Elementary School (Public) schools in Greenfield Union (8)
| Fairview Elementary | Granite Pointe Elementary | Horizon Elementary |
| Plantation Elementary | Planz Elementary | Raffaello Palla Elementary |
| Valle Verde Elementary | W. A. Kendrick Elementary |