Sumac Elementary (Data source)
Source data for Sumac 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 | 749405 | 2459 | - | 2436 | = | 23 | * | (59 | / | 177) | = | 7.66666666 | ||
| 4 | 749408 | 2483 | - | 2485 | = | -2 | * | (51 | / | 177) | = | -0.57627119 | ||
| 5 | 749409 | 2498 | - | 2528 | = | -30 | * | (67 | / | 177) | = | -11.35593219 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Sumac Elementary | -4 | ||||||||||||
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 | 23563 | 2483 | - | 2436 | = | 47 | * | (53 | / | 164) | = | 15.18902436 | ||
| 4 | 23564 | 2491 | - | 2485 | = | 6 | * | (59 | / | 164) | = | 2.15853658 | ||
| 5 | 23566 | 2515 | - | 2528 | = | -13 | * | (52 | / | 164) | = | -4.12195121 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Sumac Elementary | 13 | ||||||||||||
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 | 24035 | 2472 | - | 2436 | = | 36 | * | (66 | / | 177) | = | 13.42372878 | ||
| 4 | 24038 | 2508 | - | 2485 | = | 23 | * | (52 | / | 177) | = | 6.75706213 | ||
| 5 | 24039 | 2511 | - | 2528 | = | -17 | * | (59 | / | 177) | = | -5.66666666 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Sumac Elementary | 15 | ||||||||||||
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 | 24055 | 2460 | - | 2436 | = | 24 | * | (67 | / | 177) | = | 9.08474575 | ||
| 4 | 24057 | 2494 | - | 2485 | = | 9 | * | (60 | / | 177) | = | 3.05084745 | ||
| 5 | 24059 | 2546 | - | 2528 | = | 18 | * | (50 | / | 177) | = | 5.08474575 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Sumac Elementary | 17 | ||||||||||||
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 | 24230 | 2462 | - | 2436 | = | 26 | * | (58 | / | 180) | = | 8.37777777 | ||
| 4 | 24231 | 2480 | - | 2485 | = | -5 | * | (66 | / | 180) | = | -1.83333333 | ||
| 5 | 24232 | 2514 | - | 2528 | = | -14 | * | (56 | / | 180) | = | -4.35555555 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Sumac Elementary | 2 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -4 | 13 | 15 | 17 | 2 | 43.0 | 8.6 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 35.6
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -18.4
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 | 26% | 25% | 26% | 32% | 31% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Las Virgenes Unified school district | County of Los Angeles
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.
Sumac Elementary math proficiency
Zero+ meets standard.
22% less $meal
20% less $meal
21% less $meal
29% 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.
Elementary School (Public) schools in Las Virgenes Unified (8)
| Bay Laurel Elementary | Chaparral Elementary | Lupin Hill Elementary |
| Round Meadow Elementary | Sumac Elementary | White Oak Elementary |
| Willow Elementary | Yerba Buena Elementary |