Vista Preparatory Academy (Data source)
Source data for Vista Preparatory Academy
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 |
||
| 6 | 3011888 | 2458 | - | 2552 | = | -94 | * | (204 | / | 573) | = | -33.46596855 | ||
| 7 | 3011889 | 2497 | - | 2567 | = | -70 | * | (198 | / | 573) | = | -24.18848166 | ||
| 8 | 3011892 | 2522 | - | 2586 | = | -64 | * | (171 | / | 573) | = | -19.09947642 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Vista Preparatory Academy | -77 | ||||||||||||
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 |
||
| 6 | 92349 | 2490 | - | 2552 | = | -62 | * | (206 | / | 597) | = | -21.39363481 | ||
| 7 | 92351 | 2494 | - | 2567 | = | -73 | * | (190 | / | 597) | = | -23.23283079 | ||
| 8 | 92354 | 2508 | - | 2586 | = | -78 | * | (201 | / | 597) | = | -26.26130653 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Vista Preparatory Academy | -71 | ||||||||||||
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 |
||
| 6 | 95143 | 2478 | - | 2552 | = | -74 | * | (213 | / | 586) | = | -26.89761087 | ||
| 7 | 95145 | 2507 | - | 2567 | = | -60 | * | (185 | / | 586) | = | -18.94197948 | ||
| 8 | 95148 | 2489 | - | 2586 | = | -97 | * | (188 | / | 586) | = | -31.11945386 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Vista Preparatory Academy | -77 | ||||||||||||
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 |
||
| 6 | 95318 | 2490 | - | 2552 | = | -62 | * | (204 | / | 592) | = | -21.36486483 | ||
| 7 | 95319 | 2510 | - | 2567 | = | -57 | * | (201 | / | 592) | = | -19.35304054 | ||
| 8 | 95322 | 2517 | - | 2586 | = | -69 | * | (187 | / | 592) | = | -21.79560808 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Vista Preparatory Academy | -63 | ||||||||||||
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 |
||
| 6 | 95978 | 2485 | - | 2552 | = | -67 | * | (209 | / | 617) | = | -22.69529981 | ||
| 7 | 95979 | 2517 | - | 2567 | = | -50 | * | (210 | / | 617) | = | -17.0178282 | ||
| 8 | 95980 | 2520 | - | 2586 | = | -66 | * | (198 | / | 617) | = | -21.17990272 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Vista Preparatory Academy | -61 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -77 | -71 | -77 | -63 | -61 | -349.0 | -69.8 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -48.8
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -90.8
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 | 79% | 78% | 73% | 78% | 78% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Red Bluff Union Elementary school district | County of Tehama
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 Preparatory Academy math proficiency
Zero+ meets standard.
71% less $meal
70% less $meal
62% less $meal
72% less $meal
73% 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.
Intermediate/Middle Schools (Public) schools in Red Bluff Union Elementary (1)
| Vista Preparatory Academy |