Whittier Elementary (Data source)
Source data for Whittier 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 | 1502866 | 2391 | - | 2436 | = | -45 | * | (112 | / | 387) | = | -13.02325578 | ||
| 4 | 1502867 | 2432 | - | 2485 | = | -53 | * | (103 | / | 387) | = | -14.10594311 | ||
| 5 | 1502870 | 2442 | - | 2528 | = | -86 | * | (77 | / | 387) | = | -17.11111109 | ||
| 6 | 1502871 | 2490 | - | 2552 | = | -62 | * | (95 | / | 387) | = | -15.21963823 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Whittier Elementary | -59 | ||||||||||||
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 | 47115 | 2399 | - | 2436 | = | -37 | * | (107 | / | 396) | = | -9.99747474 | ||
| 4 | 47117 | 2432 | - | 2485 | = | -53 | * | (108 | / | 396) | = | -14.45454542 | ||
| 5 | 47119 | 2442 | - | 2528 | = | -86 | * | (102 | / | 396) | = | -22.1515151 | ||
| 6 | 47121 | 2483 | - | 2552 | = | -69 | * | (79 | / | 396) | = | -13.76515148 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Whittier Elementary | -60 | ||||||||||||
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 | 48400 | 2387 | - | 2436 | = | -49 | * | (91 | / | 412) | = | -10.82281551 | ||
| 4 | 48402 | 2422 | - | 2485 | = | -63 | * | (109 | / | 412) | = | -16.66747568 | ||
| 5 | 48404 | 2436 | - | 2528 | = | -92 | * | (111 | / | 412) | = | -24.7864077 | ||
| 6 | 48406 | 2463 | - | 2552 | = | -89 | * | (101 | / | 412) | = | -21.81796116 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Whittier Elementary | -74 | ||||||||||||
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 | 48411 | 2420 | - | 2436 | = | -16 | * | (93 | / | 396) | = | -3.75757574 | ||
| 4 | 48412 | 2406 | - | 2485 | = | -79 | * | (84 | / | 396) | = | -16.75757575 | ||
| 5 | 48414 | 2442 | - | 2528 | = | -86 | * | (113 | / | 396) | = | -24.54040401 | ||
| 6 | 48416 | 2470 | - | 2552 | = | -82 | * | (106 | / | 396) | = | -21.94949489 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Whittier Elementary | -67 | ||||||||||||
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 | 48630 | 2419 | - | 2436 | = | -17 | * | (91 | / | 370) | = | -4.18108107 | ||
| 4 | 48631 | 2462 | - | 2485 | = | -23 | * | (89 | / | 370) | = | -5.53243242 | ||
| 5 | 48632 | 2436 | - | 2528 | = | -92 | * | (80 | / | 370) | = | -19.89189187 | ||
| 6 | 48633 | 2466 | - | 2552 | = | -86 | * | (110 | / | 370) | = | -25.56756754 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Whittier Elementary | -55 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -59 | -60 | -74 | -67 | -55 | -315.0 | -63.0 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -42.0
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -84.0
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 | 95% | 94% | 91% | 89% | 90% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Newport-Mesa 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.
Whittier Elementary math proficiency
Zero+ meets standard.
84% less $meal
85% less $meal
84% less $meal
82% less $meal
83% 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.