Lomarena Elementary (Data source)
Source data for Lomarena 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 | 1559687 | 2421 | - | 2436 | = | -15 | * | (81 | / | 297) | = | -4.09090908 | ||
| 4 | 1559688 | 2469 | - | 2485 | = | -16 | * | (72 | / | 297) | = | -3.87878787 | ||
| 5 | 1559691 | 2485 | - | 2528 | = | -43 | * | (61 | / | 297) | = | -8.83164982 | ||
| 6 | 1559692 | 2528 | - | 2552 | = | -24 | * | (83 | / | 297) | = | -6.7070707 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Lomarena Elementary | -24 | ||||||||||||
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 | 48848 | 2440 | - | 2436 | = | 4 | * | (80 | / | 300) | = | 1.06666666 | ||
| 4 | 48850 | 2476 | - | 2485 | = | -9 | * | (89 | / | 300) | = | -2.66999999 | ||
| 5 | 48853 | 2516 | - | 2528 | = | -12 | * | (73 | / | 300) | = | -2.92 | ||
| 6 | 48855 | 2525 | - | 2552 | = | -27 | * | (58 | / | 300) | = | -5.21999999 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Lomarena Elementary | -10 | ||||||||||||
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 | 50184 | 2422 | - | 2436 | = | -14 | * | (86 | / | 327) | = | -3.68195717 | ||
| 4 | 50186 | 2475 | - | 2485 | = | -10 | * | (81 | / | 327) | = | -2.47706422 | ||
| 5 | 50188 | 2507 | - | 2528 | = | -21 | * | (88 | / | 327) | = | -5.65137613 | ||
| 6 | 50191 | 2560 | - | 2552 | = | 8 | * | (72 | / | 327) | = | 1.76146789 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Lomarena Elementary | -10 | ||||||||||||
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 | 50209 | 2431 | - | 2436 | = | -5 | * | (91 | / | 339) | = | -1.34218289 | ||
| 4 | 50210 | 2467 | - | 2485 | = | -18 | * | (90 | / | 339) | = | -4.77876105 | ||
| 5 | 50213 | 2514 | - | 2528 | = | -14 | * | (73 | / | 339) | = | -3.01474926 | ||
| 6 | 50214 | 2559 | - | 2552 | = | 7 | * | (85 | / | 339) | = | 1.75516224 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Lomarena Elementary | -7 | ||||||||||||
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 | 50402 | 2437 | - | 2436 | = | 1 | * | (83 | / | 335) | = | 0.24776119 | ||
| 4 | 50403 | 2489 | - | 2485 | = | 4 | * | (87 | / | 335) | = | 1.03880597 | ||
| 5 | 50404 | 2498 | - | 2528 | = | -30 | * | (92 | / | 335) | = | -8.23880595 | ||
| 6 | 50405 | 2567 | - | 2552 | = | 15 | * | (73 | / | 335) | = | 3.26865671 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Lomarena Elementary | -4 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -24 | -10 | -10 | -7 | -4 | -55.0 | -11.0 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 10.0
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -32.0
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 | 34% | 32% | 31% | 36% | 34% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Saddleback Valley Unified school district | County of Orange
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.
Lomarena Elementary math proficiency
Zero+ meets standard.
27% less $meal
28% less $meal
26% less $meal
34% less $meal
31% 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.