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 | 1665724 | 2420 | - | 2436 | = | -16 | * | (152 | / | 579) | = | -4.20034541 | ||
| 4 | 1665725 | 2470 | - | 2485 | = | -15 | * | (139 | / | 579) | = | -3.60103626 | ||
| 5 | 1665728 | 2496 | - | 2528 | = | -32 | * | (165 | / | 579) | = | -9.11917098 | ||
| 6 | 1665730 | 2518 | - | 2552 | = | -34 | * | (123 | / | 579) | = | -7.22279792 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Foothill Elementary | -24 | ||||||||||||
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 | 51989 | 2428 | - | 2436 | = | -8 | * | (131 | / | 579) | = | -1.81001726 | ||
| 4 | 51990 | 2479 | - | 2485 | = | -6 | * | (151 | / | 579) | = | -1.56476684 | ||
| 5 | 51992 | 2494 | - | 2528 | = | -34 | * | (137 | / | 579) | = | -8.044905 | ||
| 6 | 51994 | 2524 | - | 2552 | = | -28 | * | (160 | / | 579) | = | -7.73747839 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Foothill Elementary | -19 | ||||||||||||
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 | 53508 | 2412 | - | 2436 | = | -24 | * | (133 | / | 540) | = | -5.9111111 | ||
| 4 | 53510 | 2474 | - | 2485 | = | -11 | * | (123 | / | 540) | = | -2.50555555 | ||
| 5 | 53512 | 2500 | - | 2528 | = | -28 | * | (143 | / | 540) | = | -7.41481479 | ||
| 6 | 53514 | 2502 | - | 2552 | = | -50 | * | (141 | / | 540) | = | -13.05555555 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Foothill Elementary | -29 | ||||||||||||
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 | 53597 | 2438 | - | 2436 | = | 2 | * | (145 | / | 528) | = | 0.54924242 | ||
| 4 | 53598 | 2477 | - | 2485 | = | -8 | * | (124 | / | 528) | = | -1.87878787 | ||
| 5 | 53601 | 2516 | - | 2528 | = | -12 | * | (123 | / | 528) | = | -2.79545454 | ||
| 6 | 53602 | 2510 | - | 2552 | = | -42 | * | (136 | / | 528) | = | -10.81818179 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Foothill Elementary | -15 | ||||||||||||
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 | 53832 | 2435 | - | 2436 | = | -1 | * | (123 | / | 492) | = | -0.25 | ||
| 4 | 53833 | 2477 | - | 2485 | = | -8 | * | (137 | / | 492) | = | -2.22764227 | ||
| 5 | 53834 | 2498 | - | 2528 | = | -30 | * | (117 | / | 492) | = | -7.13414634 | ||
| 6 | 53835 | 2520 | - | 2552 | = | -32 | * | (115 | / | 492) | = | -7.47967478 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Foothill Elementary | -17 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -24 | -19 | -29 | -15 | -17 | -104.0 | -20.8 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -5.8
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -35.8
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 | 36% | 38% | 37% | 39% | 37% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Corona-Norco 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.
29% less $meal
31% less $meal
29% less $meal
33% less $meal
32% 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.