Manuel De Vargas Elementary (Data source)
Source data for Manuel De Vargas 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 | 2639377 | 2443 | - | 2436 | = | 7 | * | (80 | / | 237) | = | 2.36286919 | ||
| 4 | 2639380 | 2484 | - | 2485 | = | -1 | * | (97 | / | 237) | = | -0.4092827 | ||
| 5 | 2639381 | 2550 | - | 2528 | = | 22 | * | (60 | / | 237) | = | 5.56962023 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Manuel De Vargas Elementary | 8 | ||||||||||||
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 | 80474 | 2462 | - | 2436 | = | 26 | * | (103 | / | 264) | = | 10.14393939 | ||
| 4 | 80475 | 2507 | - | 2485 | = | 22 | * | (72 | / | 264) | = | 5.99999998 | ||
| 5 | 80477 | 2542 | - | 2528 | = | 14 | * | (89 | / | 264) | = | 4.71969697 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Manuel De Vargas Elementary | 21 | ||||||||||||
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 | 82693 | 2467 | - | 2436 | = | 31 | * | (72 | / | 231) | = | 9.66233764 | ||
| 4 | 82694 | 2493 | - | 2485 | = | 8 | * | (93 | / | 231) | = | 3.22077922 | ||
| 5 | 82697 | 2544 | - | 2528 | = | 16 | * | (66 | / | 231) | = | 4.57142856 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Manuel De Vargas Elementary | 17 | ||||||||||||
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 | 82902 | 2474 | - | 2436 | = | 38 | * | (79 | / | 230) | = | 13.05217388 | ||
| 4 | 82903 | 2531 | - | 2485 | = | 46 | * | (72 | / | 230) | = | 14.39999999 | ||
| 5 | 82906 | 2550 | - | 2528 | = | 22 | * | (79 | / | 230) | = | 7.55652172 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Manuel De Vargas Elementary | 35 | ||||||||||||
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 | 83514 | 2473 | - | 2436 | = | 37 | * | (77 | / | 219) | = | 13.0091324 | ||
| 4 | 83515 | 2523 | - | 2485 | = | 38 | * | (76 | / | 219) | = | 13.18721459 | ||
| 5 | 83516 | 2588 | - | 2528 | = | 60 | * | (66 | / | 219) | = | 18.08219178 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Manuel De Vargas Elementary | 44 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| 8 | 21 | 17 | 35 | 44 | 125.0 | 25.0 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 67.0
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -17.0
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 | 16% | 18% | 16% | 19% | 18% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Cupertino Union 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.
Manuel De Vargas Elementary math proficiency
Zero+ meets standard.
14% less $meal
13% less $meal
14% less $meal
16% less $meal
15% 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.