Ponderosa Elementary (Data source)
Source data for Ponderosa 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 | 1409179 | 2382 | - | 2436 | = | -54 | * | (160 | / | 603) | = | -14.32835816 | ||
| 4 | 1409182 | 2416 | - | 2485 | = | -69 | * | (139 | / | 603) | = | -15.90547262 | ||
| 5 | 1409183 | 2439 | - | 2528 | = | -89 | * | (150 | / | 603) | = | -22.1393034 | ||
| 6 | 1409186 | 2490 | - | 2552 | = | -62 | * | (154 | / | 603) | = | -15.83416252 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Ponderosa Elementary | -68 | ||||||||||||
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 | 44474 | 2352 | - | 2436 | = | -84 | * | (142 | / | 580) | = | -20.56551722 | ||
| 4 | 44476 | 2423 | - | 2485 | = | -62 | * | (150 | / | 580) | = | -16.03448272 | ||
| 5 | 44479 | 2420 | - | 2528 | = | -108 | * | (135 | / | 580) | = | -25.13793096 | ||
| 6 | 44480 | 2478 | - | 2552 | = | -74 | * | (153 | / | 580) | = | -19.52068962 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Ponderosa Elementary | -81 | ||||||||||||
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 | 45635 | 2369 | - | 2436 | = | -67 | * | (135 | / | 562) | = | -16.09430604 | ||
| 4 | 45637 | 2395 | - | 2485 | = | -90 | * | (142 | / | 562) | = | -22.74021351 | ||
| 5 | 45640 | 2425 | - | 2528 | = | -103 | * | (151 | / | 562) | = | -27.67437722 | ||
| 6 | 45641 | 2452 | - | 2552 | = | -100 | * | (134 | / | 562) | = | -23.8434163 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Ponderosa Elementary | -90 | ||||||||||||
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 | 45653 | 2375 | - | 2436 | = | -61 | * | (156 | / | 583) | = | -16.32246998 | ||
| 4 | 45654 | 2407 | - | 2485 | = | -78 | * | (132 | / | 583) | = | -17.66037733 | ||
| 5 | 45657 | 2398 | - | 2528 | = | -130 | * | (140 | / | 583) | = | -31.21783873 | ||
| 6 | 45658 | 2458 | - | 2552 | = | -94 | * | (155 | / | 583) | = | -24.99142365 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Ponderosa Elementary | -90 | ||||||||||||
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 | 45834 | 2367 | - | 2436 | = | -69 | * | (123 | / | 556) | = | -15.26438845 | ||
| 4 | 45835 | 2423 | - | 2485 | = | -62 | * | (154 | / | 556) | = | -17.17266185 | ||
| 5 | 45836 | 2412 | - | 2528 | = | -116 | * | (129 | / | 556) | = | -26.91366901 | ||
| 6 | 45837 | 2451 | - | 2552 | = | -101 | * | (150 | / | 556) | = | -27.24820137 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Ponderosa Elementary | -87 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -68 | -81 | -90 | -90 | -87 | -416.0 | -83.2 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -56.2
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -110.2
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 | 96% | 92% | 95% | 95% | 93% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Anaheim Elementary school district | County of Orange
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.
Ponderosa Elementary math proficiency
Zero+ meets standard.
91% less $meal
86% less $meal
87% less $meal
87% 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.