Winfield Elementary (Data source)
Source data for Winfield 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 | 1319657 | 2399 | - | 2436 | = | -37 | * | (80 | / | 242) | = | -12.23140494 | ||
| 4 | 1319660 | 2427 | - | 2485 | = | -58 | * | (81 | / | 242) | = | -19.41322309 | ||
| 5 | 1319661 | 2446 | - | 2528 | = | -82 | * | (81 | / | 242) | = | -27.44628093 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Winfield Elementary | -59 | ||||||||||||
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 | 41413 | 2411 | - | 2436 | = | -25 | * | (78 | / | 235) | = | -8.29787233 | ||
| 4 | 41414 | 2451 | - | 2485 | = | -34 | * | (81 | / | 235) | = | -11.71914893 | ||
| 5 | 41417 | 2480 | - | 2528 | = | -48 | * | (76 | / | 235) | = | -15.52340424 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Winfield Elementary | -36 | ||||||||||||
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 | 42430 | 2418 | - | 2436 | = | -18 | * | (61 | / | 215) | = | -5.10697674 | ||
| 4 | 42432 | 2449 | - | 2485 | = | -36 | * | (77 | / | 215) | = | -12.89302322 | ||
| 5 | 42434 | 2485 | - | 2528 | = | -43 | * | (77 | / | 215) | = | -15.39999996 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Winfield Elementary | -33 | ||||||||||||
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 | 42443 | 2409 | - | 2436 | = | -27 | * | (67 | / | 202) | = | -8.95544554 | ||
| 4 | 42444 | 2439 | - | 2485 | = | -46 | * | (58 | / | 202) | = | -13.20792075 | ||
| 5 | 42447 | 2450 | - | 2528 | = | -78 | * | (77 | / | 202) | = | -29.7326732 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Winfield Elementary | -52 | ||||||||||||
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 | 42582 | 2441 | - | 2436 | = | 5 | * | (72 | / | 201) | = | 1.79104478 | ||
| 4 | 42583 | 2464 | - | 2485 | = | -21 | * | (66 | / | 201) | = | -6.89552237 | ||
| 5 | 42584 | 2461 | - | 2528 | = | -67 | * | (63 | / | 201) | = | -20.99999995 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Winfield Elementary | -26 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -59 | -36 | -33 | -52 | -26 | -206.0 | -41.2 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -2.2
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -80.2
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 | 87% | 87% | 90% | 94% | 92% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Winton school district County of Merced
THIS chart shows what the school system "wants"
PLUS a "special" or "outside" cause of variation, parent education.
NOT what teachers want.
NOT what principals want.
NOT what parents want.
Winfield Elementary math proficiency
Zero+ meets standard.
79% less $meal
77% less $meal
80% less $meal
86% less $meal
85% 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 Winton (3)
| Frank Sparkes Elementary | Sybil N. Crookham Elementary | Winfield Elementary |