Vista Grande Elementary (Data source)
Source data for Vista Grande 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 | 2123337 | 2458 | - | 2436 | = | 22 | * | (111 | / | 313) | = | 7.80191691 | ||
| 4 | 2123338 | 2471 | - | 2485 | = | -14 | * | (102 | / | 313) | = | -4.56230032 | ||
| 5 | 2123341 | 2509 | - | 2528 | = | -19 | * | (100 | / | 313) | = | -6.07028752 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Vista Grande Elementary | -3 | ||||||||||||
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 | 65207 | 2449 | - | 2436 | = | 13 | * | (99 | / | 328) | = | 3.92378048 | ||
| 4 | 65208 | 2500 | - | 2485 | = | 15 | * | (122 | / | 328) | = | 5.57926829 | ||
| 5 | 65210 | 2496 | - | 2528 | = | -32 | * | (107 | / | 328) | = | -10.43902438 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Vista Grande Elementary | -1 | ||||||||||||
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 | 67022 | 2442 | - | 2436 | = | 6 | * | (102 | / | 315) | = | 1.94285714 | ||
| 4 | 67024 | 2475 | - | 2485 | = | -10 | * | (96 | / | 315) | = | -3.04761904 | ||
| 5 | 67026 | 2509 | - | 2528 | = | -19 | * | (117 | / | 315) | = | -7.05714285 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Vista Grande Elementary | -8 | ||||||||||||
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 | 67127 | 2463 | - | 2436 | = | 27 | * | (99 | / | 294) | = | 9.09183671 | ||
| 4 | 67128 | 2487 | - | 2485 | = | 2 | * | (106 | / | 294) | = | 0.72108843 | ||
| 5 | 67131 | 2512 | - | 2528 | = | -16 | * | (89 | / | 294) | = | -4.84353741 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Vista Grande Elementary | 5 | ||||||||||||
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 | 67623 | 2452 | - | 2436 | = | 16 | * | (102 | / | 294) | = | 5.5510204 | ||
| 4 | 67624 | 2507 | - | 2485 | = | 22 | * | (106 | / | 294) | = | 7.93197277 | ||
| 5 | 67625 | 2506 | - | 2528 | = | -22 | * | (86 | / | 294) | = | -6.43537413 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Vista Grande Elementary | 7 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -3 | -1 | -8 | 5 | 7 | 0.0 | 0.0 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 18.0
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -18.0
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 | 31% | 36% | 30% | 31% | 34% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Cajon Valley Union 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.
Vista Grande Elementary math proficiency
Zero+ meets standard.
22% less $meal
32% less $meal
26% less $meal
29% less $meal
30% 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.