Olivewood Elementary (Data source)
Source data for Olivewood 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 | 1556030 | 2401 | - | 2436 | = | -35 | * | (61 | / | 246) | = | -8.67886177 | ||
| 4 | 1556033 | 2436 | - | 2485 | = | -49 | * | (63 | / | 246) | = | -12.54878044 | ||
| 5 | 1556034 | 2475 | - | 2528 | = | -53 | * | (55 | / | 246) | = | -11.84959346 | ||
| 6 | 1556037 | 2503 | - | 2552 | = | -49 | * | (67 | / | 246) | = | -13.34552843 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Olivewood Elementary | -46 | ||||||||||||
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 | 48739 | 2353 | - | 2436 | = | -83 | * | (57 | / | 242) | = | -19.54958677 | ||
| 4 | 48740 | 2444 | - | 2485 | = | -41 | * | (67 | / | 242) | = | -11.35123966 | ||
| 5 | 48743 | 2482 | - | 2528 | = | -46 | * | (66 | / | 242) | = | -12.54545451 | ||
| 6 | 48745 | 2521 | - | 2552 | = | -31 | * | (52 | / | 242) | = | -6.66115702 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Olivewood Elementary | -50 | ||||||||||||
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 | 50075 | 2373 | - | 2436 | = | -63 | * | (71 | / | 261) | = | -17.13793101 | ||
| 4 | 50076 | 2416 | - | 2485 | = | -69 | * | (59 | / | 261) | = | -15.59770109 | ||
| 5 | 50079 | 2472 | - | 2528 | = | -56 | * | (67 | / | 261) | = | -14.37547888 | ||
| 6 | 50081 | 2489 | - | 2552 | = | -63 | * | (64 | / | 261) | = | -15.4482758 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Olivewood Elementary | -63 | ||||||||||||
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 | 50103 | 2403 | - | 2436 | = | -33 | * | (67 | / | 272) | = | -8.12867646 | ||
| 4 | 50104 | 2413 | - | 2485 | = | -72 | * | (72 | / | 272) | = | -19.0588235 | ||
| 5 | 50107 | 2469 | - | 2528 | = | -59 | * | (64 | / | 272) | = | -13.8823529 | ||
| 6 | 50108 | 2498 | - | 2552 | = | -54 | * | (69 | / | 272) | = | -13.69852938 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Olivewood Elementary | -55 | ||||||||||||
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 | 50296 | 2399 | - | 2436 | = | -37 | * | (81 | / | 276) | = | -10.85869562 | ||
| 4 | 50297 | 2439 | - | 2485 | = | -46 | * | (63 | / | 276) | = | -10.49999997 | ||
| 5 | 50298 | 2472 | - | 2528 | = | -56 | * | (66 | / | 276) | = | -13.3913043 | ||
| 6 | 50299 | 2489 | - | 2552 | = | -63 | * | (66 | / | 276) | = | -15.06521734 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Olivewood Elementary | -50 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -46 | -50 | -63 | -55 | -50 | -264.0 | -52.8 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -34.8
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -70.8
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 | 76% | 76% | 74% | 79% | 79% |
| 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.
Olivewood Elementary math proficiency
Zero+ meets standard.
63% less $meal
65% less $meal
64% less $meal
74% less $meal
76% 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.