South Lake Middle (Data source)
Source data for South Lake 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 |
||
| 7 | 1582919 | 2620 | - | 2567 | = | 53 | * | (328 | / | 671) | = | 25.90760056 | ||
| 8 | 1582922 | 2634 | - | 2586 | = | 48 | * | (343 | / | 671) | = | 24.53651266 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for South Lake Middle | 50 | ||||||||||||
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 |
||
| 7 | 49529 | 2613 | - | 2567 | = | 46 | * | (352 | / | 689) | = | 23.50072569 | ||
| 8 | 49530 | 2650 | - | 2586 | = | 64 | * | (337 | / | 689) | = | 31.30333811 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for South Lake Middle | 55 | ||||||||||||
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 |
||
| 7 | 50893 | 2610 | - | 2567 | = | 43 | * | (355 | / | 719) | = | 21.2308762 | ||
| 8 | 50895 | 2627 | - | 2586 | = | 41 | * | (364 | / | 719) | = | 20.75660637 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for South Lake Middle | 42 | ||||||||||||
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 |
||
| 7 | 50929 | 2593 | - | 2567 | = | 26 | * | (347 | / | 712) | = | 12.6713483 | ||
| 8 | 50930 | 2636 | - | 2586 | = | 50 | * | (365 | / | 712) | = | 25.63202245 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for South Lake Middle | 38 | ||||||||||||
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 |
||
| 7 | 51134 | 2621 | - | 2567 | = | 54 | * | (354 | / | 684) | = | 27.94736839 | ||
| 8 | 51135 | 2615 | - | 2586 | = | 29 | * | (330 | / | 684) | = | 13.99122806 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for South Lake Middle | 42 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| 50 | 55 | 42 | 38 | 42 | 227.0 | 45.4 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 63.4
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: 27.4
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 | 28% | 29% | 27% | 34% | 31% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Irvine 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.
South Lake Middle math proficiency
Zero+ meets standard.
20% less $meal
21% less $meal
21% less $meal
30% less $meal
27% 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.
Intermediate/Middle Schools (Public) schools in Irvine Unified (6)
| Jeffrey Trail Middle | Lakeside Middle | Rancho San Joaquin Middle |
| Sierra Vista Middle | South Lake Middle | Venado Middle |