Skyblue Mesa Elementary (Data source)
Source data for Skyblue Mesa 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 | 1112796 | 2396 | - | 2436 | = | -40 | * | (76 | / | 297) | = | -10.2356902 | ||
| 4 | 1112797 | 2458 | - | 2485 | = | -27 | * | (70 | / | 297) | = | -6.36363635 | ||
| 5 | 1112800 | 2466 | - | 2528 | = | -62 | * | (74 | / | 297) | = | -15.44781144 | ||
| 6 | 1112801 | 2550 | - | 2552 | = | -2 | * | (77 | / | 297) | = | -0.51851852 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Skyblue Mesa Elementary | -33 | ||||||||||||
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 | 34771 | 2418 | - | 2436 | = | -18 | * | (69 | / | 288) | = | -4.31249999 | ||
| 4 | 34773 | 2453 | - | 2485 | = | -32 | * | (73 | / | 288) | = | -8.1111111 | ||
| 5 | 34775 | 2491 | - | 2528 | = | -37 | * | (74 | / | 288) | = | -9.50694443 | ||
| 6 | 34778 | 2520 | - | 2552 | = | -32 | * | (72 | / | 288) | = | -8.0 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Skyblue Mesa Elementary | -30 | ||||||||||||
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 | 35417 | 2421 | - | 2436 | = | -15 | * | (61 | / | 284) | = | -3.22183098 | ||
| 4 | 35420 | 2468 | - | 2485 | = | -17 | * | (75 | / | 284) | = | -4.48943662 | ||
| 5 | 35422 | 2462 | - | 2528 | = | -66 | * | (70 | / | 284) | = | -16.26760562 | ||
| 6 | 35423 | 2543 | - | 2552 | = | -9 | * | (78 | / | 284) | = | -2.47183098 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Skyblue Mesa Elementary | -26 | ||||||||||||
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 | 35427 | 2390 | - | 2436 | = | -46 | * | (54 | / | 273) | = | -9.09890106 | ||
| 4 | 35429 | 2465 | - | 2485 | = | -20 | * | (65 | / | 273) | = | -4.76190476 | ||
| 5 | 35431 | 2490 | - | 2528 | = | -38 | * | (82 | / | 273) | = | -11.4139194 | ||
| 6 | 35433 | 2508 | - | 2552 | = | -44 | * | (72 | / | 273) | = | -11.60439557 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Skyblue Mesa Elementary | -37 | ||||||||||||
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 | 35595 | 2397 | - | 2436 | = | -39 | * | (79 | / | 296) | = | -10.40878375 | ||
| 4 | 35596 | 2469 | - | 2485 | = | -16 | * | (64 | / | 296) | = | -3.45945946 | ||
| 5 | 35597 | 2510 | - | 2528 | = | -18 | * | (69 | / | 296) | = | -4.19594594 | ||
| 6 | 35598 | 2529 | - | 2552 | = | -23 | * | (84 | / | 296) | = | -6.52702701 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Skyblue Mesa Elementary | -25 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -33 | -30 | -26 | -37 | -25 | -151.0 | -30.2 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -18.2
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -42.2
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 | 36% | 32% | 29% | 36% | 30% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Saugus Union school district | County of Los Angeles
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.
Skyblue Mesa Elementary math proficiency
Zero+ meets standard.
27% less $meal
27% less $meal
22% less $meal
32% less $meal
24% 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.