Foothill Ranch Elementary (Data source)
Source data for Foothill Ranch 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 | 1563742 | 2456 | - | 2436 | = | 20 | * | (133 | / | 601) | = | 4.42595672 | ||
| 4 | 1563745 | 2519 | - | 2485 | = | 34 | * | (148 | / | 601) | = | 8.37271213 | ||
| 5 | 1563746 | 2530 | - | 2528 | = | 2 | * | (156 | / | 601) | = | 0.51913477 | ||
| 6 | 1563749 | 2542 | - | 2552 | = | -10 | * | (164 | / | 601) | = | -2.72878535 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Foothill Ranch Elementary | 11 | ||||||||||||
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 | 48960 | 2468 | - | 2436 | = | 32 | * | (134 | / | 608) | = | 7.05263155 | ||
| 4 | 48963 | 2522 | - | 2485 | = | 37 | * | (151 | / | 608) | = | 9.18914473 | ||
| 5 | 48964 | 2538 | - | 2528 | = | 10 | * | (155 | / | 608) | = | 2.5493421 | ||
| 6 | 48966 | 2546 | - | 2552 | = | -6 | * | (168 | / | 608) | = | -1.65789473 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Foothill Ranch Elementary | 17 | ||||||||||||
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 | 50296 | 2462 | - | 2436 | = | 26 | * | (166 | / | 608) | = | 7.09868419 | ||
| 4 | 50298 | 2527 | - | 2485 | = | 42 | * | (140 | / | 608) | = | 9.67105259 | ||
| 5 | 50301 | 2538 | - | 2528 | = | 10 | * | (152 | / | 608) | = | 2.5 | ||
| 6 | 50302 | 2572 | - | 2552 | = | 20 | * | (150 | / | 608) | = | 4.93421052 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Foothill Ranch Elementary | 24 | ||||||||||||
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 | 50321 | 2456 | - | 2436 | = | 20 | * | (154 | / | 622) | = | 4.95176848 | ||
| 4 | 50322 | 2519 | - | 2485 | = | 34 | * | (169 | / | 622) | = | 9.23794212 | ||
| 5 | 50325 | 2555 | - | 2528 | = | 27 | * | (150 | / | 622) | = | 6.51125401 | ||
| 6 | 50326 | 2547 | - | 2552 | = | -5 | * | (149 | / | 622) | = | -1.1977492 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Foothill Ranch Elementary | 20 | ||||||||||||
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 | 50514 | 2476 | - | 2436 | = | 40 | * | (154 | / | 631) | = | 9.76228208 | ||
| 4 | 50515 | 2516 | - | 2485 | = | 31 | * | (157 | / | 631) | = | 7.71315371 | ||
| 5 | 50516 | 2557 | - | 2528 | = | 29 | * | (166 | / | 631) | = | 7.62916004 | ||
| 6 | 50517 | 2570 | - | 2552 | = | 18 | * | (154 | / | 631) | = | 4.39302694 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Foothill Ranch Elementary | 29 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| 11 | 17 | 24 | 20 | 29 | 101.0 | 20.2 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 38.2
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: 2.2
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 | 7% | 12% | 11% | 14% | 14% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Saddleback Valley Unified 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.
Foothill Ranch Elementary math proficiency
Zero+ meets standard.
5% less $meal
10% less $meal
9% less $meal
13% less $meal
12% 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.