Prospect Elementary (Data source)
Source data for Prospect 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 | 1515364 | 2396 | - | 2436 | = | -40 | * | (63 | / | 237) | = | -10.63291136 | ||
| 4 | 1515365 | 2437 | - | 2485 | = | -48 | * | (54 | / | 237) | = | -10.93670885 | ||
| 5 | 1515368 | 2464 | - | 2528 | = | -64 | * | (57 | / | 237) | = | -15.39240506 | ||
| 6 | 1515369 | 2470 | - | 2552 | = | -82 | * | (63 | / | 237) | = | -21.79746829 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Prospect 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 | 47488 | 2428 | - | 2436 | = | -8 | * | (48 | / | 225) | = | -1.70666666 | ||
| 4 | 47491 | 2447 | - | 2485 | = | -38 | * | (61 | / | 225) | = | -10.30222222 | ||
| 5 | 47493 | 2464 | - | 2528 | = | -64 | * | (60 | / | 225) | = | -17.06666662 | ||
| 6 | 47495 | 2494 | - | 2552 | = | -58 | * | (56 | / | 225) | = | -14.4355555 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Prospect Elementary | -44 | ||||||||||||
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 | 48790 | 2426 | - | 2436 | = | -10 | * | (65 | / | 225) | = | -2.88888888 | ||
| 4 | 48793 | 2466 | - | 2485 | = | -19 | * | (42 | / | 225) | = | -3.54666665 | ||
| 5 | 48795 | 2466 | - | 2528 | = | -62 | * | (63 | / | 225) | = | -17.36 | ||
| 6 | 48797 | 2494 | - | 2552 | = | -58 | * | (55 | / | 225) | = | -14.17777775 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Prospect Elementary | -38 | ||||||||||||
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 | 48802 | 2427 | - | 2436 | = | -9 | * | (57 | / | 225) | = | -2.28 | ||
| 4 | 48805 | 2432 | - | 2485 | = | -53 | * | (61 | / | 225) | = | -14.36888888 | ||
| 5 | 48806 | 2490 | - | 2528 | = | -38 | * | (45 | / | 225) | = | -7.6 | ||
| 6 | 48809 | 2494 | - | 2552 | = | -58 | * | (62 | / | 225) | = | -15.98222219 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Prospect Elementary | -40 | ||||||||||||
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 | 49008 | 2444 | - | 2436 | = | 8 | * | (65 | / | 218) | = | 2.3853211 | ||
| 4 | 49009 | 2454 | - | 2485 | = | -31 | * | (48 | / | 218) | = | -6.82568807 | ||
| 5 | 49010 | 2469 | - | 2528 | = | -59 | * | (58 | / | 218) | = | -15.69724766 | ||
| 6 | 49011 | 2511 | - | 2552 | = | -41 | * | (47 | / | 218) | = | -8.83944953 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Prospect Elementary | -29 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -59 | -44 | -38 | -40 | -29 | -210.0 | -42.0 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -12.0
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -72.0
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 | 83% | 83% | 81% | 83% | 83% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Orange 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.
Prospect Elementary math proficiency
Zero+ meets standard.
73% less $meal
73% less $meal
71% less $meal
79% less $meal
79% 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.