Parker Whitney Elementary (Data source)
Source data for Parker Whitney 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 | 1627257 | 2456 | - | 2436 | = | 20 | * | (60 | / | 231) | = | 5.19480518 | ||
| 4 | 1627260 | 2464 | - | 2485 | = | -21 | * | (48 | / | 231) | = | -4.36363635 | ||
| 5 | 1627261 | 2511 | - | 2528 | = | -17 | * | (60 | / | 231) | = | -4.4155844 | ||
| 6 | 1627264 | 2544 | - | 2552 | = | -8 | * | (63 | / | 231) | = | -2.18181818 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Parker Whitney Elementary | -6 | ||||||||||||
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 | 50871 | 2455 | - | 2436 | = | 19 | * | (67 | / | 239) | = | 5.32635983 | ||
| 4 | 50872 | 2522 | - | 2485 | = | 37 | * | (63 | / | 239) | = | 9.75313806 | ||
| 5 | 50874 | 2517 | - | 2528 | = | -11 | * | (45 | / | 239) | = | -2.0711297 | ||
| 6 | 50877 | 2547 | - | 2552 | = | -5 | * | (64 | / | 239) | = | -1.33891213 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Parker Whitney Elementary | 12 | ||||||||||||
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 | 52331 | 2450 | - | 2436 | = | 14 | * | (59 | / | 232) | = | 3.56034482 | ||
| 4 | 52332 | 2486 | - | 2485 | = | 1 | * | (60 | / | 232) | = | 0.25862069 | ||
| 5 | 52335 | 2558 | - | 2528 | = | 30 | * | (63 | / | 232) | = | 8.14655172 | ||
| 6 | 52337 | 2540 | - | 2552 | = | -12 | * | (50 | / | 232) | = | -2.58620689 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Parker Whitney Elementary | 9 | ||||||||||||
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 | 52397 | 2453 | - | 2436 | = | 17 | * | (61 | / | 244) | = | 4.25 | ||
| 4 | 52398 | 2497 | - | 2485 | = | 12 | * | (59 | / | 244) | = | 2.90163934 | ||
| 5 | 52401 | 2526 | - | 2528 | = | -2 | * | (63 | / | 244) | = | -0.51639344 | ||
| 6 | 52402 | 2588 | - | 2552 | = | 36 | * | (61 | / | 244) | = | 9.0 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Parker Whitney Elementary | 16 | ||||||||||||
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 | 52572 | 2452 | - | 2436 | = | 16 | * | (54 | / | 231) | = | 3.74025973 | ||
| 4 | 52573 | 2512 | - | 2485 | = | 27 | * | (56 | / | 231) | = | 6.54545453 | ||
| 5 | 52574 | 2530 | - | 2528 | = | 2 | * | (59 | / | 231) | = | 0.51082251 | ||
| 6 | 52575 | 2558 | - | 2552 | = | 6 | * | (62 | / | 231) | = | 1.61038961 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Parker Whitney Elementary | 12 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -6 | 12 | 9 | 16 | 12 | 43.0 | 8.6 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 32.6
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -15.4
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 | 32% | 30% | 26% | 29% | 28% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Rocklin Unified school district | County of Placer
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.
Parker Whitney Elementary math proficiency
Zero+ meets standard.
24% less $meal
23% less $meal
21% less $meal
24% less $meal
25% 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.