Ladera Ranch Middle (Data source)
Source data for Ladera Ranch Middle
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 |
||
| 6 | 1430493 | 2593 | - | 2552 | = | 41 | * | (524 | / | 1441) | = | 14.90909088 | ||
| 7 | 1430496 | 2608 | - | 2567 | = | 41 | * | (454 | / | 1441) | = | 12.91741843 | ||
| 8 | 1430497 | 2631 | - | 2586 | = | 45 | * | (463 | / | 1441) | = | 14.45870921 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Ladera Ranch Middle | 42 | ||||||||||||
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 |
||
| 6 | 45050 | 2590 | - | 2552 | = | 38 | * | (510 | / | 1494) | = | 12.97188752 | ||
| 7 | 45052 | 2612 | - | 2567 | = | 45 | * | (523 | / | 1494) | = | 15.75301203 | ||
| 8 | 45054 | 2638 | - | 2586 | = | 52 | * | (461 | / | 1494) | = | 16.04551536 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Ladera Ranch Middle | 45 | ||||||||||||
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 |
||
| 6 | 46253 | 2598 | - | 2552 | = | 46 | * | (502 | / | 1528) | = | 15.11256543 | ||
| 7 | 46254 | 2619 | - | 2567 | = | 52 | * | (516 | / | 1528) | = | 17.56020942 | ||
| 8 | 46257 | 2651 | - | 2586 | = | 65 | * | (510 | / | 1528) | = | 21.69502615 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Ladera Ranch Middle | 54 | ||||||||||||
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 |
||
| 6 | 46262 | 2602 | - | 2552 | = | 50 | * | (497 | / | 1505) | = | 16.5116279 | ||
| 7 | 46265 | 2631 | - | 2567 | = | 64 | * | (515 | / | 1505) | = | 21.90033222 | ||
| 8 | 46266 | 2652 | - | 2586 | = | 66 | * | (493 | / | 1505) | = | 21.6199335 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Ladera Ranch Middle | 60 | ||||||||||||
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 |
||
| 6 | 46437 | 2605 | - | 2552 | = | 53 | * | (465 | / | 1458) | = | 16.90329217 | ||
| 7 | 46438 | 2635 | - | 2567 | = | 68 | * | (486 | / | 1458) | = | 22.66666664 | ||
| 8 | 46439 | 2669 | - | 2586 | = | 83 | * | (507 | / | 1458) | = | 28.86213988 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Ladera Ranch Middle | 68 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| 42 | 45 | 54 | 60 | 68 | 269.0 | 53.8 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 83.8
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: 23.8
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 | 6% | 6% | 6% | 9% | 9% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Capistrano 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.
Ladera Ranch Middle math proficiency
Zero+ meets standard.
4% less $meal
5% less $meal
5% less $meal
8% less $meal
8% 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.