Laguna Middle (Data source)
Source data for Laguna 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 | 2493973 | 2584 | - | 2567 | = | 17 | * | (334 | / | 661) | = | 8.59001512 | ||
| 8 | 2493974 | 2584 | - | 2586 | = | -2 | * | (327 | / | 661) | = | -0.98940998 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Laguna Middle | 8 | ||||||||||||
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 | 76041 | 2592 | - | 2567 | = | 25 | * | (359 | / | 689) | = | 13.0261248 | ||
| 8 | 76043 | 2624 | - | 2586 | = | 38 | * | (330 | / | 689) | = | 18.20029027 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Laguna Middle | 31 | ||||||||||||
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 | 78078 | 2600 | - | 2567 | = | 33 | * | (356 | / | 713) | = | 16.47685832 | ||
| 8 | 78081 | 2611 | - | 2586 | = | 25 | * | (357 | / | 713) | = | 12.51753155 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Laguna Middle | 29 | ||||||||||||
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 | 78234 | 2602 | - | 2567 | = | 35 | * | (436 | / | 790) | = | 19.31645569 | ||
| 8 | 78235 | 2601 | - | 2586 | = | 15 | * | (354 | / | 790) | = | 6.72151898 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Laguna Middle | 26 | ||||||||||||
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 | 78762 | 2621 | - | 2567 | = | 54 | * | (383 | / | 806) | = | 25.66004962 | ||
| 8 | 78763 | 2626 | - | 2586 | = | 40 | * | (423 | / | 806) | = | 20.9925558 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Laguna Middle | 47 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| 8 | 31 | 29 | 26 | 47 | 141.0 | 28.2 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 67.2
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -10.8
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 | 35% | 31% | 29% | 33% | 31% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
San Luis Coastal Unified school district | County of San Luis Obispo
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.
Laguna Middle math proficiency
Zero+ meets standard.
29% less $meal
27% less $meal
25% less $meal
29% less $meal
28% 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 San Luis Coastal Unified (2)
| Laguna Middle | Los Osos Middle |