Luigi Aprea Elementary (Data source)
Source data for Luigi Aprea 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 | 2663109 | 2436 | - | 2436 | = | 0 | * | (125 | / | 367) | = | 0.0 | ||
| 4 | 2663110 | 2480 | - | 2485 | = | -5 | * | (116 | / | 367) | = | -1.58038147 | ||
| 5 | 2663113 | 2504 | - | 2528 | = | -24 | * | (126 | / | 367) | = | -8.239782 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Luigi Aprea Elementary | -10 | ||||||||||||
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 | 81166 | 2464 | - | 2436 | = | 28 | * | (138 | / | 381) | = | 10.14173227 | ||
| 4 | 81169 | 2482 | - | 2485 | = | -3 | * | (131 | / | 381) | = | -1.03149606 | ||
| 5 | 81170 | 2510 | - | 2528 | = | -18 | * | (112 | / | 381) | = | -5.29133857 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Luigi Aprea Elementary | 4 | ||||||||||||
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 | 83414 | 2435 | - | 2436 | = | -1 | * | (119 | / | 397) | = | -0.29974811 | ||
| 4 | 83417 | 2503 | - | 2485 | = | 18 | * | (143 | / | 397) | = | 6.4836272 | ||
| 5 | 83419 | 2512 | - | 2528 | = | -16 | * | (135 | / | 397) | = | -5.44080603 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Luigi Aprea Elementary | 1 | ||||||||||||
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 | 83640 | 2450 | - | 2436 | = | 14 | * | (98 | / | 358) | = | 3.83240222 | ||
| 4 | 83643 | 2494 | - | 2485 | = | 9 | * | (122 | / | 358) | = | 3.0670391 | ||
| 5 | 83644 | 2522 | - | 2528 | = | -6 | * | (138 | / | 358) | = | -2.31284916 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Luigi Aprea 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 | 84252 | 2455 | - | 2436 | = | 19 | * | (94 | / | 312) | = | 5.72435897 | ||
| 4 | 84253 | 2495 | - | 2485 | = | 10 | * | (92 | / | 312) | = | 2.94871794 | ||
| 5 | 84254 | 2507 | - | 2528 | = | -21 | * | (126 | / | 312) | = | -8.48076921 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Luigi Aprea Elementary | 0 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -10 | 4 | 1 | 5 | 0 | 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 | 20% | 22% | 22% | 24% | 22% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Gilroy Unified 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.
Luigi Aprea Elementary math proficiency
Zero+ meets standard.
15% less $meal
16% less $meal
17% less $meal
20% 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.
Elementary School (Public) schools in Gilroy Unified (8)
| Antonio Del Buono Elementary | El Roble Elementary | Eliot Elementary |
| Glen View Elementary | Las Animas Elementary | Luigi Aprea Elementary |
| Rod Kelley Elementary | Rucker Elementary |