Melinda Heights Elementary (Data source)
Source data for Melinda Heights 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 | 1564124 | 2470 | - | 2436 | = | 34 | * | (148 | / | 636) | = | 7.91194967 | ||
| 4 | 1564127 | 2509 | - | 2485 | = | 24 | * | (162 | / | 636) | = | 6.11320754 | ||
| 5 | 1564128 | 2545 | - | 2528 | = | 17 | * | (185 | / | 636) | = | 4.94496855 | ||
| 6 | 1564131 | 2582 | - | 2552 | = | 30 | * | (141 | / | 636) | = | 6.65094339 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Melinda Heights Elementary | 26 | ||||||||||||
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 | 48971 | 2467 | - | 2436 | = | 31 | * | (136 | / | 639) | = | 6.59780905 | ||
| 4 | 48972 | 2532 | - | 2485 | = | 47 | * | (147 | / | 639) | = | 10.81220656 | ||
| 5 | 48975 | 2545 | - | 2528 | = | 17 | * | (171 | / | 639) | = | 4.54929576 | ||
| 6 | 48976 | 2594 | - | 2552 | = | 42 | * | (185 | / | 639) | = | 12.15962437 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Melinda Heights Elementary | 34 | ||||||||||||
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 | 50306 | 2471 | - | 2436 | = | 35 | * | (145 | / | 602) | = | 8.43023255 | ||
| 4 | 50308 | 2526 | - | 2485 | = | 41 | * | (144 | / | 602) | = | 9.80730894 | ||
| 5 | 50311 | 2555 | - | 2528 | = | 27 | * | (143 | / | 602) | = | 6.41362126 | ||
| 6 | 50313 | 2581 | - | 2552 | = | 29 | * | (170 | / | 602) | = | 8.18936875 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Melinda Heights Elementary | 33 | ||||||||||||
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 | 50331 | 2462 | - | 2436 | = | 26 | * | (135 | / | 582) | = | 6.03092781 | ||
| 4 | 50332 | 2517 | - | 2485 | = | 32 | * | (152 | / | 582) | = | 8.35738829 | ||
| 5 | 50335 | 2551 | - | 2528 | = | 23 | * | (151 | / | 582) | = | 5.96735393 | ||
| 6 | 50336 | 2587 | - | 2552 | = | 35 | * | (144 | / | 582) | = | 8.6597938 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Melinda Heights Elementary | 29 | ||||||||||||
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 | 50524 | 2456 | - | 2436 | = | 20 | * | (136 | / | 576) | = | 4.72222222 | ||
| 4 | 50525 | 2517 | - | 2485 | = | 32 | * | (138 | / | 576) | = | 7.66666666 | ||
| 5 | 50526 | 2542 | - | 2528 | = | 14 | * | (150 | / | 576) | = | 3.64583332 | ||
| 6 | 50527 | 2595 | - | 2552 | = | 43 | * | (152 | / | 576) | = | 11.34722218 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Melinda Heights Elementary | 27 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| 26 | 34 | 33 | 29 | 27 | 149.0 | 29.8 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 38.8
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: 20.8
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 | 9% | 9% | 10% | 14% | 15% |
| 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.
Melinda Heights Elementary math proficiency
Zero+ meets standard.
7% less $meal
8% less $meal
8% less $meal
13% less $meal
14% 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.