Vinci Park Elementary (Data source)
Source data for Vinci Park 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 | 2625188 | 2437 | - | 2436 | = | 1 | * | (102 | / | 297) | = | 0.34343434 | ||
| 4 | 2625191 | 2475 | - | 2485 | = | -10 | * | (98 | / | 297) | = | -3.29966329 | ||
| 5 | 2625192 | 2501 | - | 2528 | = | -27 | * | (97 | / | 297) | = | -8.8181818 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Vinci Park Elementary | -12 | ||||||||||||
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 | 80090 | 2458 | - | 2436 | = | 22 | * | (90 | / | 295) | = | 6.71186439 | ||
| 4 | 80092 | 2482 | - | 2485 | = | -3 | * | (101 | / | 295) | = | -1.02711864 | ||
| 5 | 80093 | 2510 | - | 2528 | = | -18 | * | (104 | / | 295) | = | -6.3457627 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Vinci Park 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 | 82282 | 2464 | - | 2436 | = | 28 | * | (89 | / | 280) | = | 8.89999998 | ||
| 4 | 82284 | 2495 | - | 2485 | = | 10 | * | (96 | / | 280) | = | 3.42857142 | ||
| 5 | 82286 | 2504 | - | 2528 | = | -24 | * | (95 | / | 280) | = | -8.14285714 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Vinci Park Elementary | 4 | ||||||||||||
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 | 82485 | 2483 | - | 2436 | = | 47 | * | (93 | / | 269) | = | 16.24907063 | ||
| 4 | 82487 | 2498 | - | 2485 | = | 13 | * | (95 | / | 269) | = | 4.59107806 | ||
| 5 | 82489 | 2515 | - | 2528 | = | -13 | * | (81 | / | 269) | = | -3.91449813 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Vinci Park Elementary | 17 | ||||||||||||
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 | 83102 | 2481 | - | 2436 | = | 45 | * | (86 | / | 272) | = | 14.22794115 | ||
| 4 | 83103 | 2521 | - | 2485 | = | 36 | * | (90 | / | 272) | = | 11.91176467 | ||
| 5 | 83104 | 2527 | - | 2528 | = | -1 | * | (96 | / | 272) | = | -0.35294118 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Vinci Park Elementary | 26 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -12 | -1 | 4 | 17 | 26 | 34.0 | 6.8 |
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: -35.2
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 | 47% | 42% | 43% | 47% | 40% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Berryessa Union Elementary school district | County of Santa Clara
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.
Vinci Park Elementary math proficiency
Zero+ meets standard.
34% less $meal
31% less $meal
33% less $meal
40% less $meal
33% 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.