Selma Herndon Elementary (Data source)
Source data for Selma Herndon 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 | 1302616 | 2402 | - | 2436 | = | -34 | * | (99 | / | 276) | = | -12.19565217 | ||
4 | 1302619 | 2430 | - | 2485 | = | -55 | * | (82 | / | 276) | = | -16.3405797 | ||
5 | 1302620 | 2432 | - | 2528 | = | -96 | * | (95 | / | 276) | = | -33.04347821 | ||
Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Selma Herndon Elementary | -62 |
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 | 40865 | 2403 | - | 2436 | = | -33 | * | (109 | / | 297) | = | -12.11111111 | ||
4 | 40866 | 2431 | - | 2485 | = | -54 | * | (110 | / | 297) | = | -19.99999998 | ||
5 | 40868 | 2441 | - | 2528 | = | -87 | * | (78 | / | 297) | = | -22.84848479 | ||
Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Selma Herndon Elementary | -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 |
||
3 | 41868 | 2449 | - | 2436 | = | 13 | * | (86 | / | 296) | = | 3.77702702 | ||
4 | 41869 | 2427 | - | 2485 | = | -58 | * | (101 | / | 296) | = | -19.79054053 | ||
5 | 41871 | 2427 | - | 2528 | = | -101 | * | (109 | / | 296) | = | -37.19256754 | ||
Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Selma Herndon Elementary | -53 |
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 | 41900 | 2401 | - | 2436 | = | -35 | * | (117 | / | 285) | = | -14.36842103 | ||
4 | 41903 | 2474 | - | 2485 | = | -11 | * | (65 | / | 285) | = | -2.50877193 | ||
5 | 41904 | 2439 | - | 2528 | = | -89 | * | (103 | / | 285) | = | -32.16491221 | ||
Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Selma Herndon Elementary | -49 |
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 | 42046 | 2429 | - | 2436 | = | -7 | * | (116 | / | 287) | = | -2.82926829 | ||
4 | 42047 | 2452 | - | 2485 | = | -33 | * | (104 | / | 287) | = | -11.95818812 | ||
5 | 42048 | 2480 | - | 2528 | = | -48 | * | (67 | / | 287) | = | -11.2055749 | ||
Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Selma Herndon Elementary | -26 |
Last steps
Compute the average
2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
---|---|---|---|---|---|---|
-62 | -55 | -53 | -49 | -26 | -245.0 | -49.0 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -10.0
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -88.0
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 | 82% | 85% | 85% | 78% | 81% |
Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Livingston Union school district | County of Merced
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.
Selma Herndon Elementary math proficiency
Zero+ meets standard.

65% less $meal

70% less $meal

69% less $meal

67% less $meal

70% 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 Livingston Union (3)
Campus Park Elementary | Selma Herndon Elementary | Yamato Colony Elementary |