Los Osos Middle (Data source)
Source data for Los Osos 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 | 2494484 | 2526 | - | 2552 | = | -26 | * | (210 | / | 581) | = | -9.39759036 | ||
7 | 2494487 | 2521 | - | 2567 | = | -46 | * | (174 | / | 581) | = | -13.77624781 | ||
8 | 2494488 | 2566 | - | 2586 | = | -20 | * | (197 | / | 581) | = | -6.78141134 | ||
Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Los Osos Middle | -30 |
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 | 76056 | 2568 | - | 2552 | = | 16 | * | (200 | / | 600) | = | 5.33333333 | ||
7 | 76057 | 2577 | - | 2567 | = | 10 | * | (227 | / | 600) | = | 3.78333333 | ||
8 | 76059 | 2568 | - | 2586 | = | -18 | * | (173 | / | 600) | = | -5.18999999 | ||
Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Los Osos Middle | 4 |
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 | 78092 | 2538 | - | 2552 | = | -14 | * | (170 | / | 594) | = | -4.006734 | ||
7 | 78095 | 2592 | - | 2567 | = | 25 | * | (212 | / | 594) | = | 8.9225589 | ||
8 | 78097 | 2592 | - | 2586 | = | 6 | * | (212 | / | 594) | = | 2.14141414 | ||
Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Los Osos Middle | 7 |
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 | 78248 | 2559 | - | 2552 | = | 7 | * | (174 | / | 572) | = | 2.12937063 | ||
7 | 78249 | 2574 | - | 2567 | = | 7 | * | (185 | / | 572) | = | 2.26398601 | ||
8 | 78252 | 2610 | - | 2586 | = | 24 | * | (213 | / | 572) | = | 8.93706293 | ||
Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Los Osos Middle | 13 |
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 | 78777 | 2544 | - | 2552 | = | -8 | * | (157 | / | 542) | = | -2.31734317 | ||
7 | 78778 | 2596 | - | 2567 | = | 29 | * | (203 | / | 542) | = | 10.86162361 | ||
8 | 78779 | 2594 | - | 2586 | = | 8 | * | (182 | / | 542) | = | 2.68634686 | ||
Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Los Osos Middle | 11 |
Last steps
Compute the average
2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
---|---|---|---|---|---|---|
-30 | 4 | 7 | 13 | 11 | 5.0 | 1.0 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 52.0
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -50.0
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 | 44% | 45% | 41% | 49% | 42% |
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.
Los Osos Middle math proficiency
Zero+ meets standard.

33% less $meal

35% less $meal

31% less $meal

40% less $meal

36% 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 |