Los Alisos Intermediate (Data source)
Source data for Los Alisos Intermediate
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 | 1558061 | 2549 | - | 2567 | = | -18 | * | (480 | / | 950) | = | -9.09473683 | ||
8 | 1558062 | 2546 | - | 2586 | = | -40 | * | (470 | / | 950) | = | -19.78947368 | ||
Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Los Alisos Intermediate | -29 |
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 | 48799 | 2532 | - | 2567 | = | -35 | * | (464 | / | 950) | = | -17.09473682 | ||
8 | 48800 | 2575 | - | 2586 | = | -11 | * | (486 | / | 950) | = | -5.62736842 | ||
Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Los Alisos Intermediate | -23 |
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 | 50134 | 2531 | - | 2567 | = | -36 | * | (432 | / | 892) | = | -17.43497755 | ||
8 | 50137 | 2548 | - | 2586 | = | -38 | * | (460 | / | 892) | = | -19.59641255 | ||
Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Los Alisos Intermediate | -37 |
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 | 50162 | 2541 | - | 2567 | = | -26 | * | (413 | / | 832) | = | -12.90624998 | ||
8 | 50164 | 2542 | - | 2586 | = | -44 | * | (419 | / | 832) | = | -22.15865384 | ||
Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Los Alisos Intermediate | -35 |
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 | 50354 | 2531 | - | 2567 | = | -36 | * | (393 | / | 793) | = | -17.84110968 | ||
8 | 50355 | 2551 | - | 2586 | = | -35 | * | (400 | / | 793) | = | -17.65447667 | ||
Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Los Alisos Intermediate | -35 |
Last steps
Compute the average
2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
---|---|---|---|---|---|---|
-29 | -23 | -37 | -35 | -35 | -159.0 | -31.8 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -16.8
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -46.8
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 | 48% | 48% | 47% | 53% | 51% |
Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Saddleback Valley 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.
Los Alisos Intermediate math proficiency
Zero+ meets standard.

35% less $meal

37% less $meal

37% less $meal

47% less $meal

46% 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 Saddleback Valley Unified (4)
La Paz Intermediate | Los Alisos Intermediate | Rancho Santa Margarita Intermediate |
Serrano Intermediate |