Foothill Elementary (Data source)
Source data for Foothill 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 | 1642606 | 2372 | - | 2436 | = | -64 | * | (92 | / | 308) | = | -19.11688307 | ||
| 4 | 1642607 | 2417 | - | 2485 | = | -68 | * | (115 | / | 308) | = | -25.38961036 | ||
| 5 | 1642610 | 2440 | - | 2528 | = | -88 | * | (101 | / | 308) | = | -28.85714278 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Foothill Elementary | -73 | ||||||||||||
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 | 51351 | 2379 | - | 2436 | = | -57 | * | (84 | / | 293) | = | -16.34129688 | ||
| 4 | 51353 | 2436 | - | 2485 | = | -49 | * | (92 | / | 293) | = | -15.38566553 | ||
| 5 | 51354 | 2444 | - | 2528 | = | -84 | * | (117 | / | 293) | = | -33.5426621 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Foothill Elementary | -65 | ||||||||||||
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 | 52833 | 2384 | - | 2436 | = | -52 | * | (94 | / | 268) | = | -18.23880594 | ||
| 4 | 52835 | 2424 | - | 2485 | = | -61 | * | (86 | / | 268) | = | -19.57462684 | ||
| 5 | 52838 | 2478 | - | 2528 | = | -50 | * | (88 | / | 268) | = | -16.4179104 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Foothill Elementary | -54 | ||||||||||||
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 | 52925 | 2396 | - | 2436 | = | -40 | * | (90 | / | 275) | = | -13.09090908 | ||
| 4 | 52926 | 2421 | - | 2485 | = | -64 | * | (104 | / | 275) | = | -24.20363635 | ||
| 5 | 52929 | 2455 | - | 2528 | = | -73 | * | (81 | / | 275) | = | -21.50181814 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Foothill Elementary | -59 | ||||||||||||
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 | 53155 | 2393 | - | 2436 | = | -43 | * | (91 | / | 284) | = | -13.77816901 | ||
| 4 | 53156 | 2436 | - | 2485 | = | -49 | * | (87 | / | 284) | = | -15.01056337 | ||
| 5 | 53157 | 2442 | - | 2528 | = | -86 | * | (106 | / | 284) | = | -32.0985915 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Foothill Elementary | -61 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -73 | -65 | -54 | -59 | -61 | -312.0 | -62.4 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -41.4
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -83.4
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 | 93% | 93% | 92% | 92% | 90% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Alvord Unified school district | County of Riverside
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 Elementary math proficiency
Zero+ meets standard.
85% less $meal
80% less $meal
77% less $meal
81% less $meal
79% 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.