Isla Vista Elementary (Data source)
Source data for Isla Vista 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 | 2581706 | 2415 | - | 2436 | = | -21 | * | (55 | / | 253) | = | -4.56521738 | ||
| 4 | 2581707 | 2494 | - | 2485 | = | 9 | * | (70 | / | 253) | = | 2.49011857 | ||
| 5 | 2581710 | 2514 | - | 2528 | = | -14 | * | (70 | / | 253) | = | -3.87351777 | ||
| 6 | 2581711 | 2536 | - | 2552 | = | -16 | * | (58 | / | 253) | = | -3.66798418 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Isla Vista 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 | 78708 | 2457 | - | 2436 | = | 21 | * | (55 | / | 248) | = | 4.65725805 | ||
| 4 | 78710 | 2493 | - | 2485 | = | 8 | * | (57 | / | 248) | = | 1.83870967 | ||
| 5 | 78711 | 2535 | - | 2528 | = | 7 | * | (67 | / | 248) | = | 1.89112903 | ||
| 6 | 78714 | 2537 | - | 2552 | = | -15 | * | (69 | / | 248) | = | -4.17338709 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Isla Vista 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 | 80862 | 2495 | - | 2436 | = | 59 | * | (63 | / | 237) | = | 15.68354426 | ||
| 4 | 80865 | 2502 | - | 2485 | = | 17 | * | (55 | / | 237) | = | 3.94514767 | ||
| 5 | 80867 | 2515 | - | 2528 | = | -13 | * | (57 | / | 237) | = | -3.12658228 | ||
| 6 | 80869 | 2581 | - | 2552 | = | 29 | * | (62 | / | 237) | = | 7.58649788 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Isla Vista Elementary | 24 | ||||||||||||
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 | 81016 | 2494 | - | 2436 | = | 58 | * | (62 | / | 253) | = | 14.2134387 | ||
| 4 | 81017 | 2526 | - | 2485 | = | 41 | * | (72 | / | 253) | = | 11.66798418 | ||
| 5 | 81020 | 2526 | - | 2528 | = | -2 | * | (61 | / | 253) | = | -0.48221344 | ||
| 6 | 81021 | 2551 | - | 2552 | = | -1 | * | (58 | / | 253) | = | -0.22924901 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Isla Vista Elementary | 25 | ||||||||||||
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 | 81543 | 2484 | - | 2436 | = | 48 | * | (57 | / | 257) | = | 10.64591438 | ||
| 4 | 81544 | 2517 | - | 2485 | = | 32 | * | (64 | / | 257) | = | 7.96887158 | ||
| 5 | 81545 | 2543 | - | 2528 | = | 15 | * | (69 | / | 257) | = | 4.02723735 | ||
| 6 | 81546 | 2569 | - | 2552 | = | 17 | * | (67 | / | 257) | = | 4.43190661 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Isla Vista Elementary | 27 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -10 | 4 | 24 | 25 | 27 | 70.0 | 14.0 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 62.0
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -34.0
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 | 57% | 53% | 51% | 49% | 50% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Goleta Union Elementary school district | County of Santa Barbara
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.
Isla Vista Elementary math proficiency
Zero+ meets standard.
46% less $meal
40% less $meal
37% less $meal
42% less $meal
43% 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 Goleta Union Elementary (9)
| Brandon Elementary | El Camino Elementary | Ellwood Elementary |
| Foothill Elementary | Hollister Elementary | Isla Vista Elementary |
| Kellogg Elementary | La Patera Elementary | Mountain View Elementary |