Empresa Elementary (Data source)
Source data for Empresa 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 | 2320079 | 2456 | - | 2436 | = | 20 | * | (116 | / | 384) | = | 6.04166666 | ||
| 4 | 2320082 | 2479 | - | 2485 | = | -6 | * | (135 | / | 384) | = | -2.109375 | ||
| 5 | 2320083 | 2505 | - | 2528 | = | -23 | * | (133 | / | 384) | = | -7.96614582 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Empresa Elementary | -4 | ||||||||||||
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 | 70997 | 2465 | - | 2436 | = | 29 | * | (131 | / | 367) | = | 10.35149861 | ||
| 4 | 70999 | 2513 | - | 2485 | = | 28 | * | (111 | / | 367) | = | 8.46866485 | ||
| 5 | 71001 | 2507 | - | 2528 | = | -21 | * | (125 | / | 367) | = | -7.15258856 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Empresa 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 | 72857 | 2476 | - | 2436 | = | 40 | * | (133 | / | 382) | = | 13.92670156 | ||
| 4 | 72858 | 2505 | - | 2485 | = | 20 | * | (132 | / | 382) | = | 6.91099476 | ||
| 5 | 72861 | 2552 | - | 2528 | = | 24 | * | (117 | / | 382) | = | 7.35078533 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Empresa Elementary | 28 | ||||||||||||
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 | 72985 | 2460 | - | 2436 | = | 24 | * | (125 | / | 394) | = | 7.61421319 | ||
| 4 | 72988 | 2520 | - | 2485 | = | 35 | * | (135 | / | 394) | = | 11.99238576 | ||
| 5 | 72989 | 2546 | - | 2528 | = | 18 | * | (134 | / | 394) | = | 6.1218274 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Empresa Elementary | 26 | ||||||||||||
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 | 73445 | 2459 | - | 2436 | = | 23 | * | (136 | / | 394) | = | 7.93908627 | ||
| 4 | 73446 | 2509 | - | 2485 | = | 24 | * | (124 | / | 394) | = | 7.55329949 | ||
| 5 | 73447 | 2560 | - | 2528 | = | 32 | * | (134 | / | 394) | = | 10.8832487 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Empresa Elementary | 26 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -4 | 12 | 28 | 26 | 26 | 88.0 | 17.6 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 56.6
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -21.4
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 | 34% | 31% | 28% | 31% | 31% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Vista Unified school district | County of San Diego
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.
Empresa Elementary math proficiency
Zero+ meets standard.
26% less $meal
22% less $meal
19% less $meal
27% 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.