Los Medanos Elementary (Data source)
Source data for Los Medanos 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 | 226183 | 2446 | - | 2436 | = | 10 | * | (117 | / | 354) | = | 3.30508474 | ||
| 4 | 226186 | 2488 | - | 2485 | = | 3 | * | (119 | / | 354) | = | 1.00847458 | ||
| 5 | 226187 | 2519 | - | 2528 | = | -9 | * | (118 | / | 354) | = | -3.0 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Los Medanos Elementary | 1 | ||||||||||||
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 | 6641 | 2459 | - | 2436 | = | 23 | * | (112 | / | 363) | = | 7.09641871 | ||
| 4 | 6644 | 2475 | - | 2485 | = | -10 | * | (126 | / | 363) | = | -3.47107438 | ||
| 5 | 6645 | 2494 | - | 2528 | = | -34 | * | (125 | / | 363) | = | -11.70798898 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Los Medanos Elementary | -8 | ||||||||||||
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 | 6839 | 2442 | - | 2436 | = | 6 | * | (120 | / | 361) | = | 1.99445983 | ||
| 4 | 6842 | 2476 | - | 2485 | = | -9 | * | (116 | / | 361) | = | -2.89196675 | ||
| 5 | 6843 | 2485 | - | 2528 | = | -43 | * | (125 | / | 361) | = | -14.88919664 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Los Medanos Elementary | -16 | ||||||||||||
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 | 6854 | 2423 | - | 2436 | = | -13 | * | (111 | / | 357) | = | -4.0420168 | ||
| 4 | 6856 | 2475 | - | 2485 | = | -10 | * | (123 | / | 357) | = | -3.44537815 | ||
| 5 | 6858 | 2487 | - | 2528 | = | -41 | * | (123 | / | 357) | = | -14.12605042 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Los Medanos Elementary | -22 | ||||||||||||
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 | 6897 | 2434 | - | 2436 | = | -2 | * | (116 | / | 350) | = | -0.66285714 | ||
| 4 | 6898 | 2467 | - | 2485 | = | -18 | * | (111 | / | 350) | = | -5.70857143 | ||
| 5 | 6899 | 2501 | - | 2528 | = | -27 | * | (123 | / | 350) | = | -9.48857142 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Los Medanos Elementary | -16 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| 1 | -8 | -16 | -22 | -16 | -61.0 | -12.2 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 11.8
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -36.2
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 | 80% | 78% | 76% | 78% | 72% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Pittsburg Unified school district | County of Contra Costa
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 Medanos Elementary math proficiency
Zero+ meets standard.
71% less $meal
65% less $meal
61% less $meal
67% less $meal
59% 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 Pittsburg Unified (8)
| Foothill Elementary | Heights Elementary | Highlands Elementary |
| Los Medanos Elementary | Marina Vista Elementary | Parkside Elementary |
| Stoneman Elementary | Willow Cove Elementary |