Plainfield Elementary (Data source)
Source data for Plainfield 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 | 3186104 | 2435 | - | 2436 | = | -1 | * | (44 | / | 174) | = | -0.25287356 | ||
| 4 | 3186107 | 2436 | - | 2485 | = | -49 | * | (36 | / | 174) | = | -10.137931 | ||
| 5 | 3186108 | 2491 | - | 2528 | = | -37 | * | (47 | / | 174) | = | -9.99425285 | ||
| 6 | 3186111 | 2535 | - | 2552 | = | -17 | * | (47 | / | 174) | = | -4.59195401 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Plainfield Elementary | -25 | ||||||||||||
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 | 98194 | 2399 | - | 2436 | = | -37 | * | (44 | / | 193) | = | -8.43523314 | ||
| 4 | 98196 | 2488 | - | 2485 | = | 3 | * | (49 | / | 193) | = | 0.76165803 | ||
| 5 | 98199 | 2496 | - | 2528 | = | -32 | * | (45 | / | 193) | = | -7.46113987 | ||
| 6 | 98200 | 2518 | - | 2552 | = | -34 | * | (55 | / | 193) | = | -9.68911916 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Plainfield Elementary | -25 | ||||||||||||
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 | 101062 | 2407 | - | 2436 | = | -29 | * | (52 | / | 222) | = | -6.79279279 | ||
| 4 | 101063 | 2426 | - | 2485 | = | -59 | * | (56 | / | 222) | = | -14.88288287 | ||
| 5 | 101065 | 2500 | - | 2528 | = | -28 | * | (62 | / | 222) | = | -7.81981981 | ||
| 6 | 101067 | 2504 | - | 2552 | = | -48 | * | (52 | / | 222) | = | -11.24324323 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Plainfield Elementary | -41 | ||||||||||||
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 | 101214 | 2430 | - | 2436 | = | -6 | * | (52 | / | 216) | = | -1.44444444 | ||
| 4 | 101217 | 2448 | - | 2485 | = | -37 | * | (57 | / | 216) | = | -9.76388886 | ||
| 5 | 101218 | 2455 | - | 2528 | = | -73 | * | (58 | / | 216) | = | -19.60185181 | ||
| 6 | 101221 | 2558 | - | 2552 | = | 6 | * | (49 | / | 216) | = | 1.36111111 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Plainfield Elementary | -29 | ||||||||||||
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 | 101874 | 2438 | - | 2436 | = | 2 | * | (41 | / | 201) | = | 0.4079602 | ||
| 4 | 101875 | 2486 | - | 2485 | = | 1 | * | (50 | / | 201) | = | 0.24875622 | ||
| 5 | 101876 | 2486 | - | 2528 | = | -42 | * | (56 | / | 201) | = | -11.70149253 | ||
| 6 | 101877 | 2497 | - | 2552 | = | -55 | * | (54 | / | 201) | = | -14.77611938 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Plainfield Elementary | -26 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -25 | -25 | -41 | -29 | -26 | -146.0 | -29.2 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -11.2
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -47.2
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 | 45% | 46% | 40% | 38% | 39% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Woodland Joint Unified school district | County of Yolo
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.
Plainfield Elementary math proficiency
Zero+ meets standard.
34% less $meal
37% less $meal
34% less $meal
34% less $meal
33% 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.